| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 4269 |
73.9%
|
| 1 | Mild | 1235 |
21.4%
|
| 2 | Moderate | 212 |
3.7%
|
| 3 | Severe | 53 |
0.9%
|
| 4 | Extreme or can't do | 6 |
0.1%
|