| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 459 |
4.2%
|
| 2 | No | 693 |
6.3%
|
| 3 | Self | 3173 |
29.1%
|
| 4 | Wage | 2032 |
18.6%
|
| Missing value | 4564 |
41.8%
|