| Value | Category | Cases | |
|---|---|---|---|
| 1 | Light | 670 |
21.1%
|
| 2 | Moderatee | 1173 |
37%
|
| 3 | Severe | 1319 |
41.6%
|
| 9 | 6 |
0.2%
|
|
| Sysmiss | 16670 |