| Value | Category | Cases | |
|---|---|---|---|
| 1 | Card | 331 |
40.3%
|
| 2 | Recall | 261 |
31.8%
|
| 7 | Missing | 229 |
27.9%
|
| 9 | Don't know | 0 |
0%
|
| Sysmiss | 9704 |