| Value | Category | Cases | |
|---|---|---|---|
| 1 | Asked for the test | 1648 |
51.8%
|
| 2 | Offered and accepted | 999 |
31.4%
|
| 3 | Required | 536 |
16.8%
|
| 9 | 21 | ||
| Sysmiss | 5240 |