| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 30 |
25.2%
|
| 2 | Weeks | 21 |
17.6%
|
| 3 | Months | 60 |
50.4%
|
| 4 | Years | 8 |
6.7%
|
| Sysmiss | 7365 |