| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, at least one card seen | 834 |
17.9%
|
| 2 | Yes, no cards seen | 1652 |
35.4%
|
| 3 | No cards | 2178 |
46.6%
|
| 9 | Missing | 8 |
0.2%
|
| Sysmiss | 100 |