| Value | Category | Cases | |
|---|---|---|---|
| 1 | very well | 2443 | 
                                    
                                    14.9%
                                 | 
| 2 | well | 7094 | 
                                    
                                    43.4%
                                 | 
| 3 | so, so (average) | 1393 | 
                                    
                                    8.5%
                                 | 
| 4 | not very well | 217 | 
                                    
                                    1.3%
                                 | 
| 5 | not well at all | 33 | 
                                    
                                    0.2%
                                 | 
| -8 | other error | 0 | 
                                    
                                    0%
                                 | 
| -7 | filter error | 0 | 
                                    
                                    0%
                                 | 
| -3 | inapplicable | 5157 | 
                                    
                                    31.6%
                                 | 
| -2 | no answer | 4 | 
                                    
                                    0%
                                 | 
| -1 | does not know | 3 | 
                                    
                                    0%
                                 |