| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 4066 |
70.4%
|
| 1 | Mild | 1257 |
21.8%
|
| 2 | Moderate | 367 |
6.4%
|
| 3 | Severe | 73 |
1.3%
|
| 4 | Extreme or can't do | 12 |
0.2%
|