| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 3068 | 
                                    
                                    17.7%
                                 | 
| 2 | A small change | 5466 | 
                                    
                                    31.5%
                                 | 
| 3 | A moderate change | 6632 | 
                                    
                                    38.3%
                                 | 
| 4 | A large change | 2168 | 
                                    
                                    12.5%
                                 | 
| 7 | N/A | 402 | |
| 8 | Invalid | 2 | |
| 9 | Missing | 401 |