| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 4721 |
27.2%
|
| 2 | A small change | 5442 |
31.4%
|
| 3 | A moderate change | 5522 |
31.8%
|
| 4 | A large change | 1665 |
9.6%
|
| 7 | N/A | 402 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 384 |