| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes on card | 4441 |
21.5%
|
| 2 | yes on recall | 10664 |
51.5%
|
| 3 | no | 674 |
3.3%
|
| 4 | yes through compaign | 4917 |
23.8%
|
| Sysmiss | 464 |