| Value | Category | Cases | |
|---|---|---|---|
| 1 | Light | 284 |
19.9%
|
| 2 | Moderatee | 663 |
46.5%
|
| 3 | Severe | 476 |
33.4%
|
| 9 | 3 |
0.2%
|
|
| Sysmiss | 18412 |