| Value | Category | Cases | |
|---|---|---|---|
| 0 | No card | 1 |
50%
|
| 1 | Yes, seen | 0 |
0%
|
| 2 | Yes, not seen | 0 |
0%
|
| 3 | No longer has card | 1 |
50%
|
| Sysmiss | 31077 |