| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5450 |
91%
|
| 1 | Mild | 460 |
7.7%
|
| 2 | Moderate | 71 |
1.2%
|
| 3 | Severe | 4 |
0.1%
|
| 4 | Extreme or can't do | 5 |
0.1%
|
| Sysmiss | 1171 |