| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 9 |
52.9%
|
| 2 | Months | 4 |
23.5%
|
| 3 | Years | 4 |
23.5%
|
| 9 | Special answers | 0 |
0%
|
| Sysmiss | 10353 |