| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2673 |
68.1%
|
| 2 | Mild | 556 |
14.2%
|
| 3 | Moderate | 471 |
12%
|
| 4 | Severe | 205 |
5.2%
|
| 5 | Extreme | 22 |
0.6%
|
| Sysmiss | 11 |