| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 0 |
0%
|
| 2 | Between 2 and 4 weeks | 0 |
0%
|
| 3 | Between 1 and 2 months | 7 |
1.6%
|
| 4 | Between 2 and 6 months | 36 |
8.2%
|
| 5 | More than 6 months | 330 |
75%
|
| 6 | Don’t know (uncertain) | 67 |
15.2%
|
| Sysmiss | 412 |