| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7 days | 6388 |
21.2%
|
| 2 | 1 month | 11540 |
38.3%
|
| 3 | 3 months | 7247 |
24%
|
| 4 | 12 months | 4962 |
16.5%
|
| Sysmiss | 388313 |