| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 913 |
81.2%
|
| 2 | Mild | 97 |
8.6%
|
| 3 | Moderate | 61 |
5.4%
|
| 4 | Severe | 31 |
2.8%
|
| 5 | Extreme | 23 |
2%
|
| Sysmiss | 3292 |