| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than one week | 2586 |
73.4%
|
| 2 | one to two weeks | 727 |
20.6%
|
| 3 | two to three weeks | 71 |
2%
|
| 4 | more than 3 weeks | 139 |
3.9%
|
| Sysmiss | 38058 |