| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 4 |
0.4%
|
| 2 | Mild | 14 |
1.4%
|
| 3 | Moderate | 40 |
4.1%
|
| 4 | Severe | 406 |
41.3%
|
| 5 | Extreme | 519 |
52.8%
|
| Sysmiss | 2955 |