| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much better than others | 1190 | 
                                    
                                    5.1%
                                 | 
| 2 | Better than others | 6902 | 
                                    
                                    29.4%
                                 | 
| 3 | The same as others | 13750 | 
                                    
                                    58.6%
                                 | 
| 4 | Worse than others | 1567 | 
                                    
                                    6.7%
                                 | 
| 5 | Much worse than others | 59 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 1459 |