| Value | Category | Cases | |
|---|---|---|---|
| 0 | no card | 71 |
2.5%
|
| 1 | yes, seen | 1946 |
67.7%
|
| 2 | yes, not seen | 696 |
24.2%
|
| 3 | no longer has card | 163 |
5.7%
|
| Sysmiss | 3879 |