| 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 |