| Value | Category | Cases | |
|---|---|---|---|
| 1 | Light | 204 |
28.1%
|
| 2 | Moderatee | 322 |
44.4%
|
| 3 | Severe | 199 |
27.4%
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 19112 |