| Value | Category | Cases | |
|---|---|---|---|
| 0 | not weighed | 425 |
14.1%
|
| 1 | from card | 1477 |
49.1%
|
| 2 | from recall | 600 |
19.9%
|
| 9 | special answers | 506 |
16.8%
|
| Sysmiss | 3747 |