| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| 1 | Less than one hour | 25 |
18%
|
| 2 | 22 |
15.8%
|
|
| 3 | 7 |
5%
|
|
| 4 | 51 |
36.7%
|
|
| 5 | 13 |
9.4%
|
|
| 6 | 11 |
7.9%
|
|
| 8 | 9 |
6.5%
|
|
| 12 | 1 |
0.7%
|
|
| Sysmiss | 343 |