| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 3 |
1.1%
|
| 2 | Weeks | 4 |
1.4%
|
| 3 | Months | 88 |
31.5%
|
| 4 | Years | 184 |
65.9%
|
| Sysmiss | 72 |