| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 10 |
10.5%
|
| 2 | Weeks | 9 |
9.5%
|
| 3 | Months | 34 |
35.8%
|
| 4 | Years | 42 |
44.2%
|
| Sysmiss | 1607 |