| Value | Category | Cases | |
|---|---|---|---|
| 1 | White collar high skilled | 137272 |
34.4%
|
| 2 | White collar low skilled | 44376 |
11.1%
|
| 3 | Blue collar high skilled | 94478 |
23.7%
|
| 4 | Blue collar low skilled | 74793 |
18.8%
|
| 7 | N/A | 1802 |
0.5%
|
| 9 | Missing | 46029 |
11.5%
|