| Value | Category | Cases | |
|---|---|---|---|
| 1 | Much worse | 28 | 
                                    
                                    2.3%
                                 | 
| 2 | Worse | 74 | 
                                    
                                    6.2%
                                 | 
| 3 | Same | 78 | 
                                    
                                    6.5%
                                 | 
| 4 | Better | 434 | 
                                    
                                    36.2%
                                 | 
| 5 | Much better | 176 | 
                                    
                                    14.7%
                                 | 
| 6 | Don't know | 342 | 
                                    
                                    28.5%
                                 | 
| 98 | Refused | 6 | 
                                    
                                    0.5%
                                 | 
| 99 | Missing data | 62 | 
                                    
                                    5.2%
                                 |