| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 883 |
80.2%
|
| 2 | Mild | 78 |
7.1%
|
| 3 | Moderate | 63 |
5.7%
|
| 4 | Severe | 58 |
5.3%
|
| 5 | Extreme | 19 |
1.7%
|
| Sysmiss | 3316 |