| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 3 |
2.2%
|
| 2 | Weeks | 0 |
0%
|
| 3 | Months | 44 |
31.7%
|
| 4 | Years | 92 |
66.2%
|
| Sysmiss | 796 |