| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | months | 45 | 43 |
0.7%
|
| 2 | years | 6276 | 6241 |
96.8%
|
| 8 | dk | 0 | 0 |
0%
|
| 9 | other | 159 | 152 |
2.4%
|
| Sysmiss | 9 | 9 |