| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 4 |
2%
|
| 2 | Between 2 and 4 weeks | 6 |
3%
|
| 3 | Between 1 and 2 months | 14 |
7%
|
| 4 | Between 2 and 6 months | 17 |
8.5%
|
| 5 | More than 6 months | 56 |
28%
|
| 6 | Don’t know (uncertain) | 103 |
51.5%
|
| Sysmiss | 3295 |