Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
1.5%
|
1 | One hour or less | 7 |
2.6%
|
3 | 14 |
5.1%
|
|
4 | 13 |
4.8%
|
|
5 | 7 |
2.6%
|
|
8 | 11 |
4%
|
|
10 | 6 |
2.2%
|
|
12 | 2 |
0.7%
|
|
15 | 3 |
1.1%
|
|
16 | 7 |
2.6%
|
|
18 | 6 |
2.2%
|
|
20 | 4 |
1.5%
|
|
24 | 1 |
0.4%
|
|
25 | 2 |
0.7%
|
|
30 | 56 |
20.6%
|
|
32 | 9 |
3.3%
|
|
35 | 24 |
8.8%
|
|
38 | 3 |
1.1%
|
|
40 | 23 |
8.5%
|
|
42 | 8 |
2.9%
|
|
45 | 22 |
8.1%
|
|
48 | 15 |
5.5%
|
|
50 | 3 |
1.1%
|
|
52 | 3 |
1.1%
|
|
54 | 2 |
0.7%
|
|
55 | 1 |
0.4%
|
|
56 | 1 |
0.4%
|
|
58 | 1 |
0.4%
|
|
60 | 3 |
1.1%
|
|
72 | 4 |
1.5%
|
|
75 | 1 |
0.4%
|
|
78 | 1 |
0.4%
|
|
80 | 2 |
0.7%
|
|
82 | 3 |
1.1%
|
|
Sysmiss | 247 |