| Value | Category | Cases | |
|---|---|---|---|
| 1 | serious | 1005 |
16.8%
|
| 2 | moderate | 3014 |
50.3%
|
| 3 | slight | 1965 |
32.8%
|
| 8 | dk | 4 |
0.1%
|
| 9 | 1 |
0%
|
|
| 11 | .Z | 9678 |