| Value | Category | Cases | |
|---|---|---|---|
| 1 | SERIOUSLY EXPOSED | 3906 |
13.8%
|
| 2 | MODERATELY EXPOSED | 11113 |
39.2%
|
| 3 | SLIGHTLY EXPOSED | 6140 |
21.7%
|
| 4 | NOT EXPOSED | 7169 |
25.3%
|
| Sysmiss | 17618 |