| Value | Category | Cases | |
|---|---|---|---|
| 1 | SERIOUSLY EXPOSED | 860 |
3%
|
| 2 | MODERATELY EXPOSED | 3398 |
12%
|
| 3 | SLIGHTLY EXPOSED | 2768 |
9.8%
|
| 4 | NOT EXPOSED | 21302 |
75.2%
|
| Sysmiss | 17618 |