| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 4349 | 
                                    
                                    25.1%
                                 | 
| 2 | A small change | 5237 | 
                                    
                                    30.2%
                                 | 
| 3 | A moderate change | 5995 | 
                                    
                                    34.5%
                                 | 
| 4 | A large change | 1771 | 
                                    
                                    10.2%
                                 | 
| 7 | N/A | 403 | |
| 8 | Invalid | 7 | |
| 9 | Missing | 377 |