| Value | Category | Cases | |
|---|---|---|---|
| 0 | no card | 23 |
13.3%
|
| 1 | yes, seen | 74 |
42.8%
|
| 2 | yes, not seen | 73 |
42.2%
|
| 3 | no longer has card | 3 |
1.7%
|
| Sysmiss | 5248 |