| Value | Category | Cases | |
|---|---|---|---|
| 1 | White collar high skilled | 175953 |
39.2%
|
| 2 | White collar low skilled | 61846 |
13.8%
|
| 3 | Blue collar high skilled | 119112 |
26.5%
|
| 4 | Blue collar low skilled | 92260 |
20.5%
|
| 7 | N/A | 2427 | |
| 9 | Missing | 64360 |