| Value | Category | Cases | |
|---|---|---|---|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -4 | no personal income | 0 |
0%
|
| -3 | inapplicable | 0 |
0%
|
| -2 | no answer | 8 |
40%
|
| -1 | does not know | 12 |
60%
|