| Value | Category | Cases | |
|---|---|---|---|
| -8 | other error | 304 |
5%
|
| -7 | filter error | 0 |
0%
|
| -5 | irregular, difficult to say | 0 |
0%
|
| -4 | no personal income | 513 |
8.4%
|
| -3 | inapplicable | 4921 |
80.8%
|
| -2 | no answer | 241 |
4%
|
| -1 | does not know | 110 |
1.8%
|