| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 24 |
6.3%
|
| 2 | Between 2 and 4 weeks | 3 |
0.8%
|
| 3 | Between 1 and 2 months | 10 |
2.6%
|
| 4 | Between 2 and 6 months | 21 |
5.5%
|
| 5 | More than 6 months | 66 |
17.4%
|
| 6 | Don’t know (uncertain) | 256 |
67.4%
|
| Sysmiss | 4759 |