| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes, improved | 7034 | 
                                    
                                    12.3%
                                 | 
| 2 | yes, worsened | 2010 | 
                                    
                                    3.5%
                                 | 
| 3 | no change | 37045 | 
                                    
                                    65%
                                 | 
| 4 | dont know | 10935 | 
                                    
                                    19.2%
                                 |