| Value | Category | Cases | |
|---|---|---|---|
| 0 | no card | 125 |
8.6%
|
| 1 | yes, seen | 813 |
56.1%
|
| 2 | yes, not seen | 443 |
30.6%
|
| 3 | no longer has card | 63 |
4.3%
|
| 9 | 5 |
0.3%
|
|
| 11 | .Z | 17305 |