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