| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Increased a lot | 234 | 
                                    
                                    19.5%
                                 | 
| 2 | Increased somewhat | 149 | 
                                    
                                    12.4%
                                 | 
| 3 | Stayed the same | 299 | 
                                    
                                    24.9%
                                 | 
| 4 | Decreased somewhat | 333 | 
                                    
                                    27.8%
                                 | 
| 5 | Decreased a lot | 133 | 
                                    
                                    11.1%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 52 | 
                                    
                                    4.3%
                                 |