| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 309 |
79.6%
|
| 2 | mild | 36 |
9.3%
|
| 3 | moderate | 31 |
8%
|
| 4 | severe | 7 |
1.8%
|
| 5 | extreme | 5 |
1.3%
|
| Sysmiss | 4277 |