| Value | Category | Cases | |
|---|---|---|---|
| 1 | Light | 690 |
14.1%
|
| 2 | Moderatee | 2332 |
47.7%
|
| 3 | Severe | 1855 |
37.9%
|
| 9 | 13 |
0.3%
|
|
| Sysmiss | 14948 |