| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 921 |
86.6%
|
| 2 | Mild | 70 |
6.6%
|
| 3 | Moderate | 31 |
2.9%
|
| 4 | Severe | 30 |
2.8%
|
| 5 | Extreme | 12 |
1.1%
|
| Sysmiss | 3353 |