| Value | Category | Cases | |
|---|---|---|---|
| 1 | Light | 144 |
20.4%
|
| 2 | Moderatee | 341 |
48.4%
|
| 3 | Severe | 217 |
30.8%
|
| 9 | 3 |
0.4%
|
|
| Sysmiss | 19133 |