| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 7 |
0.7%
|
| 2 | Mild | 11 |
1.1%
|
| 3 | Moderate | 40 |
4.1%
|
| 4 | Severe | 475 |
48.4%
|
| 5 | Extreme | 449 |
45.7%
|
| Sysmiss | 2956 |