| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 2 |
4.3%
|
| 2 | Between 2 and 4 weeks | 2 |
4.3%
|
| 3 | Between 1 and 2 months | 6 |
13%
|
| 4 | Between 2 and 6 months | 4 |
8.7%
|
| 5 | More than 6 months | 4 |
8.7%
|
| 6 | Never | 4 |
8.7%
|
| 7 | Don’t know (uncertain) | 24 |
52.2%
|
| Sysmiss | 2354 |