| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than two weeks | 25 |
15.5%
|
| 2 | between two weeks and one month | 12 |
7.5%
|
| 3 | one month | 11 |
6.8%
|
| 4 | more than one month | 113 |
70.2%
|
| Sysmiss | 28347 |