| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 10 |
0.1%
|
| -8 | Refused | 2 |
0%
|
| -5 | Not Applicable | 3 |
0%
|
| -3 | Missing | 336 |
3.6%
|
| 1 | Card | 3693 |
39.3%
|
| 2 | Recall | 5351 |
57%
|
| Sysmiss | 209 |