| Value | Category | Cases | |
|---|---|---|---|
| 0 | not weighed | 1676 |
26%
|
| 1 | from card | 1504 |
23.3%
|
| 2 | from recall | 3223 |
50%
|
| 8 | dk | 13 |
0.2%
|
| 9 | special answers | 32 |
0.5%
|
| 11 | .Z | 12306 |