Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 1999
(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     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, tota     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
(1999 constant dollars)...     317      331      403      427      418      427      447      463
::
Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 1999 - 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     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, tota     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
(1999 constant dollars)...     472      500      484      483      481      465      473      487
::
Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 1999 - 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      170       26       24
  4 rooms.................      35       36       36       35       35      150       36       36
  5 rooms or more.........      23       24       25       25       25       68       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     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, tota     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
(1999 constant dollars)...     488      497      496      482      479      471      459      471

Table 10.  Vacant For-Rent Units, by Selected Characteristic for the United States:
                  1960, 1970, 1975, and 1980 to 1999 - Continued


Characteristic                1999

Rooms in unit, total......     100
  1 and 2 rooms...........      12
  3 rooms.................      24
  4 rooms.................      35
  5 rooms or more.........      27
  Median number or rooms..     3.9

Bedrooms in unit, total...     100
  No bedrooms.............       3
  1 bedroom...............      33
  2 bedrooms..............      45
  3 bedrooms or more......      17

Housing units in structure     100
  1 unit..................      22
  2 units.................      10
  3 and 4 units...........      12
  5 to 9 units............      16
  10 units or more........      32
  Mobile homes............       6

Duration of vacancy, total     100
  Less than 1 month.......      28
  1 to 2 months...........      19
  2 to 4 months...........      19
  4 to 6 months...........      10
  6 months or more........      22
    6 to 12 months........      11
    1 to 2 years..........       6
    2 years or more.......       5

Year structure built, tota     100
  1970 or later...........      44
  1960 to 1969............      14
  1950 to 1959............      10
  1940 to 1949............      10
  1939 or earlier.........      19

Monthly rent, total.......     100
  Less than $100..........       1
  $100 to $199............       3
  $200 to $249............       4
  $250 to $299............       7
  $300 to $399............      20
  $400 to $499............      18
  $500 to $599............      13
  $600 to $699............       9
  $700 to $799............       5
  $800 or more............      12
Median rent
(Actual dollars)..........     461
(1999 constant dollars)...     461

/r Revised.  NA  Not Available.
/1 Excludes one-family homes on 10 acres or more.