| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 4 |
0.2%
|
| 2 | Weeks | 1 |
0.1%
|
| 3 | Months | 74 |
3.8%
|
| 4 | Years | 1894 |
96%
|
| Sysmiss | 823 |