| Value | Category | Cases | |
|---|---|---|---|
| 1 | SERIOUSLY EXPOSED | 875 |
13.6%
|
| 2 | MODERATELY EXPOSED | 2813 |
43.6%
|
| 3 | SLIGHTLY EXPOSED | 1539 |
23.9%
|
| 4 | NOT EXPOSED | 1219 |
18.9%
|
| Sysmiss | 19411 |