| Value | Category | Cases | |
|---|---|---|---|
| 1 | Both | 7 |
0.5%
|
| 2 | No | 14 |
1%
|
| 3 | Self | 697 |
50%
|
| 4 | Wage | 4 |
0.3%
|
| Missing value | 671 |
48.2%
|