| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not weighed | 3121 |
51.3%
|
| 1 | From card | 1297 |
21.3%
|
| 2 | From recall | 1584 |
26.1%
|
| 8 | DK | 10 |
0.2%
|
| 9 | Special answers | 67 |
1.1%
|
| Sysmiss | 16455 |