| Value | Category | Cases | |
|---|---|---|---|
| 1 | Improved a lot | 1656 | 
                                    
                                    7.1%
                                 | 
| 2 | Improved a little | 7448 | 
                                    
                                    31.7%
                                 | 
| 3 | Remained the same | 11692 | 
                                    
                                    49.8%
                                 | 
| 4 | Become a little worse | 2291 | 
                                    
                                    9.8%
                                 | 
| 5 | Become a lot worse | 373 | 
                                    
                                    1.6%
                                 | 
| Sysmiss | 1484 |