| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 835 |
25.4%
|
| 2 | 1 to 2 days | 807 |
24.6%
|
| 3 | 3 to 4 days | 600 |
18.3%
|
| 4 | 5 to 6 days | 283 |
8.6%
|
| 5 | 7 days | 757 |
23.1%
|
| Sysmiss | 32 |