| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 4 |
2.4%
|
| 1 | less than one hour | 90 |
54.9%
|
| 2 | 28 |
17.1%
|
|
| 3 | 10 |
6.1%
|
|
| 4 | 5 |
3%
|
|
| 5 | 5 |
3%
|
|
| 6 | 2 |
1.2%
|
|
| 8 | 1 |
0.6%
|
|
| 9 | 1 |
0.6%
|
|
| 15 | 1 |
0.6%
|
|
| 20 | 1 |
0.6%
|
|
| 24 | 3 |
1.8%
|
|
| 30 | 10 |
6.1%
|
|
| 40 | 1 |
0.6%
|
|
| 45 | 1 |
0.6%
|
|
| 48 | 1 |
0.6%
|
|
| Sysmiss | 77 |