| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 3528 |
80.1%
|
| 2 | Mild | 384 |
8.7%
|
| 3 | Moderate | 275 |
6.2%
|
| 4 | Severe | 173 |
3.9%
|
| 5 | Extreme | 43 |
1%
|
| Sysmiss | 14 |