| Value | Category | Cases | |
|---|---|---|---|
| -999 | NA | 526 |
55.9%
|
| 1 | Stayed the same | 117 |
12.4%
|
| 2 | Increased | 117 |
12.4%
|
| 3 | Reduced | 171 |
18.2%
|
| 4 | Reduced to zero | 10 |
1.1%
|