| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1873 |
47.7%
|
| 2 | Mild | 1053 |
26.8%
|
| 3 | Moderate | 688 |
17.5%
|
| 4 | Severe | 270 |
6.9%
|
| 5 | Extreme | 39 |
1%
|
| Sysmiss | 15 |