| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 34 |
12.5%
|
| 2 | Weeks | 27 |
10%
|
| 3 | Months | 93 |
34.3%
|
| 4 | Years | 117 |
43.2%
|
| Sysmiss | 2793 |