| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 18433 | 
                                                                 
                                    
                                    81.2%
                                 
                                                             | 
                                                        
                    
| 2 | Earn it | 4279 | 
                                                                 
                                    
                                    18.8%
                                 
                                                             | 
                                                        
                    
| -5 | Missing; Unknown; Inappropiate | 0 | |
| -4 | Not asked | 938 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 20 | |
| -1 | Don't know | 888 |