| Value | Category | Cases | |
|---|---|---|---|
| -999 | NA | 775 |
79.5%
|
| 1 | Stayed the same | 53 |
5.4%
|
| 2 | Increased | 17 |
1.7%
|
| 3 | Reduced | 122 |
12.5%
|
| 4 | Reduced to zero | 8 |
0.8%
|