Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 2006
(Percent distribution may not add to 100, due to rounding)

Characteristic                               1960     1970     1975     1980     1981     1982     1983     1984

Rooms in unit, total....................      100      100      100      100      100      100      100      100
  1 and 2 rooms.........................       30       25       20       19       19       18       16       16
  3 rooms...............................       27       27       27       25       27       29       28       26
  4 rooms...............................       22       26       32       31       30       29       32       34
  5 rooms or more.......................       21       22       21       25       24       24       25       25
  Median number or rooms................      3.3      3.4      3.6      3.7      3.6      3.6      3.7      3.7

Bedrooms in unit, total.................      100      100      100      100      100      100      100      100
  No bedrooms...........................       15       19       14       14       14       12       11       11
  1 bedroom.............................       45       35       35       34       36       37       36       34
  2 bedrooms............................       29       34       39       38       36       37       38       41
  3 bedrooms or more....................       11       12       12       14       14       14       15       14

Housing units in structure, total......       100      100      100      100      100      100      100      100
  1 unit................................       33       25       18       20       21       23       22       22
  2 units...............................       20       14       13       14       14       14       13       13
  3 and 4 units.........................       16       14       13       14       15       15       14       15
  5 to 9 units..........................       12       16       19       15       14       15       16       16
  10 units or more......................       19       31       37       37       36       33       34       35
  Mobile homes..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)

Duration of vacancy, total.............�      100      100      100      100      100      100      100      100
  Less than 1 month.....................       31       35       34       37       39       35       35       34
  1 to 2 months.........................       15       14       15       17       16       17       17       17
  2 to 4 months.........................       17       16       17       17       17       17       18       18
  4 to 6 months.........................        9        8       10        9        8       10       10       10
  6 months or more......................       28       27       24       20       20       21       21       21
    6 to 12 months......................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
    1 to 2 years........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
    2 years or more.....................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)

Year structure built, total.............      100      100      100      100      100      100      100      100
  1970 or later.........................      (NA)      19       23       25       25       26       30       36
  1960 to 1969..........................      (NA)       7       17       16       16       16       15       13
  1950 to 1959..........................      (NA)      10        9       10       11       10        9       10
  1940 to 1949..........................      (NA)      11        8        8        9        9        9        9
  1939 or earlier.......................      (NA)      53       43       41       39       39       37       32

Monthly rent, total.....................      100      100      100      100      100      100      100      100
  Less than $100........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $100 to $199..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $200 to $249..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $250 to $299..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $300 to $399..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $400 to $499..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $500 to $599..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $600 to $699..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $700 to $799..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
  $800 or more..........................      (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)     (NA)
Median rent
(Actual dollars)........................      53       82      136      211      226      245      267      289
(2006 constant dollars)...............��     384      400      488      517      506      517      540      561

Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 2006 - Continued

Characteristic                               1985     1986     1987     1988     1989  1989\r      1990     1991

Rooms in unit, total....................      100      100      100      100      100      100      100      100
  1 and 2 rooms.........................       16       14       13       14       13      13       13       13
  3 rooms...............................       28       30       31       30       29      28       27       27
  4 rooms...............................       33       34       35       35       36      37       36       36
  5 rooms or more.......................       23       22       21       20       23      23       24       24
  Median number or rooms................      3.7      3.7      3.7      3.6      3.7      3.7      3.8      3.8

Bedrooms in unit, total.................      100      100      100      100      100      100      100      100
  No bedrooms...........................       10        9        9        9        9       8        8        9
  1 bedroom.............................       37       38       38       38       37      36       35       35
  2 bedrooms............................       40       40       40       41       42      43       44       43
  3 bedrooms or more....................       13       12       12       12       12      13       13       13

Housing units in structure, total......       100      100      100      100      100      100      100      100
  1 unit................................       20       18       17       16       16      15       15       14
  2 units...............................       12       12       11       11       11      11       11       11
  3 and 4 units.........................       14       14       14       14       13      13       14       13
  5 to 9 units..........................       18       18       18       18       19      18       16       17
  10 units or more......................       36       39       40       42       41      39       39       41
  Mobile homes..........................      (NA)     (NA)     (NA)     (NA)     (NA)      4        5        4

Duration of vacancy, total..............      100      100      100      100      100      100      100      100
  Less than 1 month.....................       33       31       29       28       30      30       31       29
  1 to 2 months.........................       17       16       16       16       18      18       17       17
  2 to 4 months.........................       18       19       20       19       19      19       17       19
  4 to 6 months.........................       10       11       11       10       10      10       10       10
  6 months or more......................       22       23       24       25       23      23       25       25
    6 to 12 months......................      (NA)     (NA)     (NA)      11       10      10       10       11
    1 to 2 years........................      (NA)     (NA)     (NA)       8        8       8        9        8
    2 years or more.....................      (NA)     (NA)     (NA)       6        5       5        6        6

Year structure built, total.............      100      100      100      100      100      100      100      100
  1970 or later.........................       42       46       46       45       43      44       43       42
  1960 to 1969..........................       13       12       13       14       14      14       15       16
  1950 to 1959..........................       10       11       11       10       10      10       10       10
  1940 to 1949..........................        9        7        7        9        9       9        8        9
  1939 or earlier.......................       27       23       23       23       23      23       24       23

Monthly rent, total.....................      100      100      100      100      100      100      100      100
  Less than $100........................      (NA)     (NA)     (NA)     (NA)     (NA)       2        1        2
  $100 to $199..........................      (NA)     (NA)     (NA)     (NA)     (NA)      12       11        8
  $200 to $249..........................      (NA)     (NA)     (NA)     (NA)     (NA)      12       10        9
  $250 to $299..........................      (NA)     (NA)     (NA)     (NA)     (NA)      14       12       10
  $300 to $399..........................      (NA)     (NA)     (NA)     (NA)     (NA)      22       21       21
  $400 to $499..........................      (NA)     (NA)     (NA)     (NA)     (NA)      14       15       17
  $500 to $599..........................      (NA)     (NA)     (NA)     (NA)     (NA)       9       10       12
  $600 to $699..........................      (NA)     (NA)     (NA)     (NA)     (NA)       6        7        8
  $700 to $799..........................      (NA)     (NA)     (NA)     (NA)     (NA)       4        4        4
  $800 or more..........................      (NA)     (NA)     (NA)     (NA)     (NA)       6        8        8
Median rent
(Actual dollars)........................      305      329      330      343      358      346      371      398
(2006 constant dollars)...............��      571      605      586      585      582      563      572      589

Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 2006 - Continued


Characteristic                               1992     1993  1993\r      1994     1995     1996     1997     1998

Rooms in unit, total....................      100      100      100      100      100      100      100      100
  1 and 2 rooms.........................      13       13       13       14       14       14       13       12
  3 rooms...............................      29       26       26       26       26       24       26       24
  4 rooms...............................      35       36       36       35       35       36       36       36
  5 rooms or more.......................      23       24       25       25       25       25       26       28
  Median number or rooms................     3.7      3.8      3.8      3.8      3.8       3.8      3.8      3.9

Bedrooms in unit, total.................     100      100      100      100      100       100      100      100
  No bedrooms...........................       8        8        8        4        4        4        4        3
  1 bedroom.............................      38       36       36       36       37       36       35       34
  2 bedrooms............................      41       42       43       45       44       46       45       46
  3 bedrooms or more....................      13       13       13       15       15       14       16       17

Housing units in structure, total......      100      100      100      100      100      100      100      100
  1 unit................................      15       15       15       17       20       19       21       22
  2 units...............................      11       10       10       11       11       12       12       10
  3 and 4 units.........................      14       14       14       12       13       13       13       12
  5 to 9 units..........................      17       18       18       16       16       15       15       16
  10 units or more......................      39       40       40       39       36       36       34       33
  Mobile homes..........................       4        3        3        4        5        5        5        6

Duration of vacancy, total..............     100      100      100      100      100      100      100      100
  Less than 1 month.....................      29       28       27       31       29       29       29       29
  1 to 2 months.........................      16       16       16       18       19       19       19       19
  2 to 4 months.........................      20       20       20       18       19       19       20       19
  4 to 6 months.........................      10       11       11       11       11       10       10       11
  6 months or more......................      26       25       25       23       22       23       22       23
    6 to 12 months......................      12       11       11       11       11       11       11       12
    1 to 2 years........................       9        9        9        7        7        7        6        6
    2 years or more.....................       5        5        5        6        4        5        5        5

Year structure built, total.............     100      100      100      100      100      100      100      100
  1970 or later.........................      40       41       41       41       42       44       44       45
  1960 to 1969..........................      17       16       16       16       14       14       14       14
  1950 to 1959..........................      10       10       10       11       12       11       12       11
  1940 to 1949..........................       9        9        9        9       10        9        9       10
  1939 or earlier.......................      25       24       24       23       22       23       22       20

Monthly rent, total.....................     100      100      100      100      100      100      100      100
  Less than $100........................       1        1        1        2        2        2        1        1
  $100 to $199..........................       7        5        5        5        4        4        3        3
  $200 to $249..........................       8        7        7        7        6        4        5        4
  $250 to $299..........................       9       10       10        8        8        7        9        8
  $300 to $399..........................      22       21       21       22       23       24       23       21
  $400 to $499..........................      19       20       19       20       19       20       18       19
  $500 to $599..........................      12       13       13       14       14       14       14       15
  $600 to $699..........................       8        8        8        8        9        8        8       10
  $700 to $799..........................       5        5        5        5        5        5        5        5
  $800 or more..........................       9       10       10       10       11       12       13       13
Median rent
(Actual dollars)........................     411      431      430      429      438       444      442      461
(2006 constant dollars)...............��     591      601      600      584      579      570      555      570

Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 2006 - Continued


Characteristic                               1999     2000     2001     2002  2002\r      2003

Rooms in unit, total....................      100      100      100      100      100      100
  1 and 2 rooms.........................      13       11       10        9        9       10
  3 rooms...............................      24       25       25       25       25       24
  4 rooms...............................      36       36       37       35       35       35
  5 rooms or more.......................      28       28       29       31       31       31
  Median number or rooms................      3.9      3.9     3.9      4.0      4.0      4.0

Bedrooms in unit, total.................      100      100      100      100      100      100
  No bedrooms...........................       4        3        2        2        2        3
  1 bedroom.............................      34       33       35       34       34       33
  2 bedrooms............................      46       47       45       46       46       46
  3 bedrooms or more....................      16       17       17       18       18       18

Housing units in structure, total......       100      100      100      100      100      100
  1 unit................................      26       26       29       28       28       26
  2 units...............................      10        8        7        7        7        8
  3 and 4 units.........................      13       12       11       11       11       11
  5 to 9 units..........................      17       16       15       15       15       14
  10 units or more......................      28       33       33       35       35       35
  Mobile homes..........................       6        6        6        5        5        5

Duration of vacancy, total.............�      100      100      100      100      100      100
  Less than 1 month.....................      27       28       28       26       26       24
  1 to 2 months.........................      19       20       20       21       21       20
  2 to 4 months.........................      20       19       20       21       21       21
  4 to 6 months.........................      10       11       11       11       11       12
  6 months or more......................      24       23       22       21       21       23
    6 to 12 months......................      11       12       11       10       10       12
    1 to 2 years........................       7        6        6        6        6        6
    2 years or more.....................       5        6        5        5        5        5

Year structure built, total.............      100      100      100      100      100      100
  1970 or later.........................      47       49       51       53       53       54
  1960 to 1969..........................      14       15       13       13       13       13
  1950 to 1959..........................      10       11       10        9        9       10
  1940 to 1949..........................       9        9        8        8        8        7
  1939 or earlier.......................      19       17       17       17       18       17

Monthly rent, total.....................      100      100      100      100      100      100
  Less than $100........................       1        1        1        1        1        1
  $100 to $199..........................       3        3        3        1        1        1
  $200 to $249..........................       4        4        3        3        3        2
  $250 to $299..........................       7        7        5        4        4        3
  $300 to $399..........................      24       22       19       16       16       15
  $400 to $499..........................      19       17       17       15       15       15
  $500 to $599..........................      13       14       15       14       14       15
  $600 to $699..........................       9        9       10       11       11       12
  $700 to $799..........................       6        7        8       10       10        9
  $800 or more..........................      15       17       20       24       24       27
Median rent
(Actual dollars)........................      461      483      518      566      568      589
(2006 constant dollars)...............��      558      565      590      634      637      646


Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 2006 - Continued


Characteristic                               2004     2005     2006

Rooms in unit, total....................      100      100      100
  1 and 2 rooms.........................       9        9        9
  3 rooms...............................      24       24       23
  4 rooms...............................      35       33       34
  5 rooms or more.......................      33       34       34
  Median number or rooms................     4.0      4.0      4.0

Bedrooms in unit, total.................      100      100      100
  No bedrooms...........................       2        2        2
  1 bedroom.............................      33       32       32
  2 bedrooms............................      45       46       44
  3 bedrooms or more....................      20       20       21

Housing units in structure, total......       100      100      100
  1 unit................................      28       31       31
  2 units...............................       8        8        8
  3 and 4 units.........................      12       12       11
  5 to 9 units..........................      14       14       13
  10 units or more......................      34       32       32
  Mobile homes..........................       4        5        5

Duration of vacancy, total..............      100      100      100
  Less than 1 month.....................      24       24       24
  1 to 2 months.........................      20       20       19
  2 to 4 months.........................      21       21       20
  4 to 6 months.........................      13       12       12
  6 months or more......................      23       23       24
    6 to 12 months......................      12       12       12
    1 to 2 years........................       6        7        7
    2 years or more.....................       5        4        5

Year structure built, total.............      100      100      100
  April 1, 2000 or later................       8        8        9
  1995 to 3/31/00.......................       6        6        6
  1990 to 1994..........................       5        5        6
  1980 to 1989..........................      15       14       14
  1970 to 1979..........................      19       18       19
  1960 to 1969..........................      13       14       13
  1950 to 1959..........................       9       11       10
  1940 to 1949..........................       8        7        7
  1939 or earlier.......................      16       17       17

Monthly rent,
specified renter units\1
All spec Rental Units                        100      100      100
Less than $300..........................       7        7        4
$300 to $349............................       5        4        4
$350 to $399............................       7        7        5
$400 to $449............................       8        9        6
$450 to $499............................       8        8        7
$500 to $599............................      14       14       14
$600 to $699............................      14       13       12
$700 to $799............................       9        9        9
$800 or more............................      29       28       28
  $800 to $899..........................       8        7        7
  $900 to $999..........................       5        5        5
$1000 or more...........................      16       16       16
  $1000 to $1249........................       6        6        7
  $1250 to $1499........................       3        3        4
  $1500 or more.........................       6        6        6
(Actual dollars)........................     615      605      633
(2006 constant dollars)...............��     656      625      633

\r Revised.  NA  Not Available.
\1 Excludes one-family homes on 10 acres or more.