| Value | Category | Cases | |
|---|---|---|---|
| -999 | NA | 840 |
89.3%
|
| 1 | Stayed the same | 33 |
3.5%
|
| 2 | Increased | 22 |
2.3%
|
| 3 | Reduced | 46 |
4.9%
|
| 4 | Reduced to zero | 0 |
0%
|