| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 16 |
3.8%
|
| 2 | Between 2 and 4 weeks | 14 |
3.3%
|
| 3 | Between 1 and 2 months | 53 |
12.4%
|
| 4 | Between 2 and 6 months | 66 |
15.5%
|
| 5 | More than 6 months | 68 |
16%
|
| 6 | Never | 36 |
8.5%
|
| 7 | Don’t know (uncertain) | 173 |
40.6%
|
| Sysmiss | 5054 |