2011:
2012:
soep-is-2012-haupt/Q18 soep-is-2012-aufwuchs/Q22
2013:
soep-is-2013-a/Q22b soep-is-2013-f/Q22 soep-is-2013-a/Q22a
2014:
soep-is-2014-a/Q23 soep-is-2014-f/Q23
2015:
2016:
soep-is-2016-f/Q20 soep-is-2016-a/Q20
2017:
2019:
2020:
2022:
2023:
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