| Value | Category | Cases | |
|---|---|---|---|
| 1 | SERIOUSLY EXPOSED | 3624 |
12.8%
|
| 2 | MODERATELY EXPOSED | 9661 |
34.1%
|
| 3 | SLIGHTLY EXPOSED | 6252 |
22.1%
|
| 4 | NOT EXPOSED | 8791 |
31%
|
| Sysmiss | 17618 |