| Value | Category | Cases | |
|---|---|---|---|
| 1 | Days | 27 |
29.7%
|
| 2 | Months | 27 |
29.7%
|
| 3 | Years | 37 |
40.7%
|
| 9 | Special answers | 0 |
0%
|
| Sysmiss | 10279 |