| Value | Category | Cases | |
|---|---|---|---|
| -8 | other error | 1 | 
                                    
                                    0%
                                 | 
| -7 | filter error | 0 | 
                                    
                                    0%
                                 | 
| -4 | no personal income | 4 | 
                                    
                                    0%
                                 | 
| -3 | inapplicable | 14215 | 
                                    
                                    99.5%
                                 | 
| -2 | no answer | 24 | 
                                    
                                    0.2%
                                 | 
| -1 | does not know | 37 | 
                                    
                                    0.3%
                                 |