| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 13 |
5%
|
| 2 | No | 7 |
2.7%
|
| 3 | Self | 226 |
87.6%
|
| 4 | Wage | 2 |
0.8%
|
| Missing value | 10 |
3.9%
|