| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 12 |
1.1%
|
| 2 | Mild | 231 |
21%
|
| 3 | Moderate | 576 |
52.4%
|
| 4 | Severe | 251 |
22.8%
|
| 5 | Extreme | 30 |
2.7%
|
| Sysmiss | 3317 |