| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Much worse | 230 | 
                                    
                                    19.2%
                                 | 
| 2 | Worse | 350 | 
                                    
                                    29.2%
                                 | 
| 3 | Same | 182 | 
                                    
                                    15.2%
                                 | 
| 4 | Better | 325 | 
                                    
                                    27.1%
                                 | 
| 5 | Much better | 111 | 
                                    
                                    9.3%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 2 | 
                                    
                                    0.2%
                                 |