| Value | Category | Cases | |
|---|---|---|---|
| 1 | Light | 263 |
17.9%
|
| 2 | Moderatee | 568 |
38.6%
|
| 3 | Severe | 633 |
43.1%
|
| 9 | 6 |
0.4%
|
|
| Sysmiss | 18368 |