| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 19 |
3.3%
|
| 2 | No | 19 |
3.3%
|
| 3 | Self | 507 |
88.5%
|
| 4 | Wage | 4 |
0.7%
|
| Missing value | 24 |
4.2%
|