| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 3 |
0.3%
|
| 2 | No | 480 |
44.6%
|
| 3 | Self | 195 |
18.1%
|
| 4 | Wage | 84 |
7.8%
|
| Missing value | 315 |
29.2%
|