| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 2 weeks | 314 |
29.2%
|
| 2 | 2 weeks - 1 month | 607 |
56.4%
|
| 3 | 1 -2 months | 113 |
10.5%
|
| 4 | More than 2 months | 42 |
3.9%
|
| Sysmiss | 22664 |