| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher | 3833 | 
                                    
                                    34.7%
                                 | 
| 2 | The same | 4866 | 
                                    
                                    44.1%
                                 | 
| 3 | Lower | 2197 | 
                                    
                                    19.9%
                                 | 
| 7 | 6 | 
                                    
                                    0.1%
                                 | |
| 8 | 50 | 
                                    
                                    0.5%
                                 | |
| 9 | 94 | 
                                    
                                    0.9%
                                 | |
| 99 | Don't Know | 0 | 
                                    
                                    0%
                                 |