| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2983 |
76%
|
| 2 | Mild | 463 |
11.8%
|
| 3 | Moderate | 319 |
8.1%
|
| 4 | Severe | 138 |
3.5%
|
| 5 | Extreme | 24 |
0.6%
|
| Sysmiss | 11 |