Variable | Year | Supplement |
---|---|---|
EXCHANGE | 2022 | In both sample adult and child questionnaires |
EXCHANGE | 2021 | In both sample adult and child questionnaires |
EXCHANGE | 2020 | In both sample adult and child questionnaires |
EXCHANGE | 2019 | In both sample adult and child questionnaires |
EXCHANGE | 2018 | Person (core questionnaire) |
EXCHANGE | 2017 | Person (core questionnaire) |
EXCHANGE | 2016 | Person (core questionnaire) |
EXCHANGE | 2015 | Person (core questionnaire) |
EXCHANGE | 2014 | Person (core questionnaire) |