| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 4946 |
74.9%
|
| 1 | yes | 1426 |
21.6%
|
| 3 | already retired | 121 |
1.8%
|
| 8 | don't know | 113 |
1.7%
|
| Sysmiss | 38008 |