| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 7 |
5.4%
|
| 2 | Between 2 and 4 weeks | 7 |
5.4%
|
| 3 | Between 1 and 2 months | 19 |
14.7%
|
| 4 | Between 2 and 6 months | 12 |
9.3%
|
| 5 | More than 6 months | 14 |
10.9%
|
| 6 | Never | 14 |
10.9%
|
| 7 | Don’t know (uncertain) | 56 |
43.4%
|
| Sysmiss | 20127 |