| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 952 |
86.5%
|
| 2 | Mild | 57 |
5.2%
|
| 3 | Moderate | 33 |
3%
|
| 4 | Severe | 23 |
2.1%
|
| 5 | Extreme | 36 |
3.3%
|
| Sysmiss | 3316 |