| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 2 |
0.2%
|
| 2 | No | 11 |
1.3%
|
| 3 | Self | 598 |
68.4%
|
| 4 | Wage | 6 |
0.7%
|
| Missing value | 257 |
29.4%
|