| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 0 |
0%
|
| 1 | less than one hour | 50 |
53.8%
|
| 2 | 29 |
31.2%
|
|
| 3 | 3 |
3.2%
|
|
| 5 | 1 |
1.1%
|
|
| 6 | 1 |
1.1%
|
|
| 10 | 1 |
1.1%
|
|
| 20 | 2 |
2.2%
|
|
| 30 | 5 |
5.4%
|
|
| 45 | 1 |
1.1%
|
|
| Sysmiss | 55 |