| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No card | 14 |
8.6%
|
| 1 | Yes, seen | 60 |
37%
|
| 2 | Yes, not seen | 70 |
43.2%
|
| 3 | No longer has card | 18 |
11.1%
|
| 9 | 5 | ||
| Sysmiss | 5162 |