| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Days | 32 | 16 |
28%
|
| 2 | Months | 60 | 31 |
53.4%
|
| 3 | Years | 25 | 9 |
16.2%
|
| 9 | Special answers | 2 | 1 |
2.4%
|
| Sysmiss | 3671 | 2312 |