| Value | Category | Cases | |
|---|---|---|---|
| 0 | not weighed | 20 |
20.8%
|
| 1 | from card | 24 |
25%
|
| 2 | from recall | 16 |
16.7%
|
| 9 | special answers | 36 |
37.5%
|
| Sysmiss | 6659 |