| Value | Category | Cases | |
|---|---|---|---|
| 0 | individual questionnaire | 11166 |
68.3%
|
| 1 | proxy questionnaire | 2532 |
15.5%
|
| 2 | grid only | 2646 |
16.2%
|
| 3 | child care | 0 |
0%
|
| 4 | biographical questionnaire | 0 |
0%
|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 0 |
0%
|
| -2 | no answer | 0 |
0%
|
| -1 | does not know | 0 |
0%
|