| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 3467 | 
                                    
                                    20%
                                 | 
| 2 | A small change | 4832 | 
                                    
                                    27.9%
                                 | 
| 3 | A moderate change | 6155 | 
                                    
                                    35.5%
                                 | 
| 4 | A large change | 2868 | 
                                    
                                    16.6%
                                 | 
| 7 | N/A | 403 | |
| 8 | Invalid | 13 | |
| 9 | Missing | 401 |