Table:
selected characteristics
on-road vehicle
off-road vehicle
all types of motor vehicles

number
percent
number
percent
number
percent

sex

male
483,438
7.5
166,899
7.4
579,682
8.8

female
46,904
0.8
16,164
1.1
60,721
1.0

age group

15 to 17 years
f
f
f
f
f
f

18 to 24 years
71,788
5.3
31,577
6.2
95,466
6.8

25 to 34 years
134,081
6.4
58,864
8.1
166,482
7.8

35 to 44 years
84,856
3.7
33,868
4.9
101,548
4.4

45 to 54 years
103,795
4.6
27,539
4.1
124,368
5.5

55 to 64 years
82,578
3.7
20,023
3.5
93,074
4.2

65 years and older
50,996
2.7
6,997
2.3
54,709
2.9

marital status

married
225,654
3.3
83,665
4.2
269,694
3.9

common-law
81,881
7.7
37,026
9.2
109,432
10.0

widowed
12,615
2.9
x
x
13,005
2.9

separated or divorced
46,579
5.1
6,437
3.7
49,315
5.3

single
163,443
5.3
55,501
4.9
198,789
6.1

level of education

less than high school
34,183
2.5
23,044
4.4
49,685
3.3

high school diploma
149,335
4.6
66,779
7.1
189,553
5.7

trade certificate or diploma
89,093
10.4
22,073
7.0
100,046
11.6

college diploma
126,702
4.2
43,134
4.8
152,109
5.1

undergraduate university degree
101,499
3.7
21,957
3.0
116,605
4.2

graduate degree
28,064
2.6
f
f
30,450
2.8

household income quintile

bottom quintile
38,863
2.2
16,573
4.7
49,447
2.7

second quintile
54,556
2.3
19,328
4.2
68,535
2.9

third quintile
98,725
3.9
29,226
4.2
120,677
4.7

fourth quintile
156,952
5.5
50,909
5.4
183,862
6.4

top quintile
178,622
6.1
65,990
5.2
214,654
7.3

aboriginal identity

non-aboriginal
505,506
4.3
168,473
4.8
607,744
5.0

aboriginal
21,187
4.8
13,227
7.0
28,384
6.1

total population
530,342
4.3
183,063
4.9
640,404
5.0

Statement: almost two-thirds of impaired drivers who reported having driven an on-road vehicle were from the top two income quintiles.
Question: what is the percentage of impaired drivers who reported having driven an on-road vehicle from the top two income quintiles?
Answer: [0.63275]