| Value | Category | Cases | |
|---|---|---|---|
| 1 | days | 119 |
30.8%
|
| 2 | months | 159 |
41.2%
|
| 3 | years | 108 |
28%
|
| 9 | special answers | 0 |
0%
|
| Sysmiss | 14965 |