| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 180 |
30%
|
| 2 | Weeks | 98 |
16.3%
|
| 3 | Months | 132 |
22%
|
| 4 | Years | 191 |
31.8%
|
| Sysmiss | 8 |