| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 614 |
26.4%
|
| 1 | In the past year | 72 |
3.1%
|
| 2 | Currently working | 1636 |
70.5%
|
| 9 | Missing | 24 | |
| Sysmiss | 226 |