| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Increased a lot | 504 | 
                                    
                                    42%
                                 | 
| 2 | Increased somewhat | 236 | 
                                    
                                    19.7%
                                 | 
| 3 | Stayed the same | 143 | 
                                    
                                    11.9%
                                 | 
| 4 | Decreased somewhat | 204 | 
                                    
                                    17%
                                 | 
| 5 | Decreased a lot | 60 | 
                                    
                                    5%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 53 | 
                                    
                                    4.4%
                                 |