| Value | Category | Cases | |
|---|---|---|---|
| -999 | NA | 633 |
64.9%
|
| 1 | Stayed the same | 99 |
10.2%
|
| 2 | Increased | 16 |
1.6%
|
| 3 | Reduced | 224 |
23%
|
| 4 | Reduced to zero | 3 |
0.3%
|