| Value | Category | Cases | |
|---|---|---|---|
| 0 | no card | 437 |
6.9%
|
| 1 | yes, seen | 4892 |
76.9%
|
| 2 | yes, not seen | 111 |
1.7%
|
| 3 | no longer has card | 920 |
14.5%
|
| Sysmiss | 34034 |