| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 15 |
0.4%
|
| 2 | Mild | 1308 |
34.9%
|
| 3 | Moderate | 1933 |
51.6%
|
| 4 | Severe | 485 |
13%
|
| 5 | Extreme | 4 |
0.1%
|
| Sysmiss | 111676 |