| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 4334 |
75%
|
| 1 | Mild | 1133 |
19.6%
|
| 2 | Moderate | 227 |
3.9%
|
| 3 | Severe | 77 |
1.3%
|
| 4 | Extreme or can't do | 4 |
0.1%
|