| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | months | 5 | 5 |
0%
|
| 2 | years | 5515 | 5470 |
51.8%
|
| 9 | other | 17 | 16 |
0.1%
|
| Sysmiss | 5113 | 5068 |