| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 305 |
78.6%
|
| 2 | mild | 38 |
9.8%
|
| 3 | moderate | 23 |
5.9%
|
| 4 | severe | 14 |
3.6%
|
| 5 | extreme | 8 |
2.1%
|
| Sysmiss | 4277 |