| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 9 |
11.8%
|
| 2 | Between 2 and 4 weeks | 4 |
5.3%
|
| 3 | Between 1 and 2 months | 9 |
11.8%
|
| 4 | Between 2 and 6 months | 15 |
19.7%
|
| 5 | More than 6 months | 11 |
14.5%
|
| 6 | Never | 6 |
7.9%
|
| 7 | Don’t know (uncertain) | 22 |
28.9%
|
| Sysmiss | 3873 |