| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much worse | 7 | 
                                    
                                    0.6%
                                 | 
| 2 | Worse | 21 | 
                                    
                                    1.8%
                                 | 
| 3 | Same | 48 | 
                                    
                                    4%
                                 | 
| 4 | Better | 440 | 
                                    
                                    36.7%
                                 | 
| 5 | Much better | 275 | 
                                    
                                    22.9%
                                 | 
| 6 | Don't know | 341 | 
                                    
                                    28.4%
                                 | 
| 98 | Refused | 6 | 
                                    
                                    0.5%
                                 | 
| 99 | Missing data | 62 | 
                                    
                                    5.2%
                                 |