| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 5 |
0.6%
|
| 2 | No | 21 |
2.6%
|
| 3 | Self | 206 |
25.9%
|
| 4 | Wage | 14 |
1.8%
|
| Missing value | 550 |
69.1%
|