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