Variable | Year | Supplement |
---|---|---|
ASINTRU | 2018 | Sample adult questionnaire |
ASINTRU | 2017 | Sample adult questionnaire |
ASINTRU | 2016 | Sample adult questionnaire |
ASINTRU | 2015 | Sample adult questionnaire |
ASINTRU | 2014 | Sample adult questionnaire |
ASINTRU | 2013 | Sample adult questionnaire |