2011:
2012:
soep-is-2012-haupt/Q15 soep-is-2012-aufwuchs/Q19
2013:
soep-is-2013-a/Q17 soep-is-2013-f/Q17
2014:
soep-is-2014-a/Q18 soep-is-2014-f/Q18
2015:
2016:
soep-is-2016-a/Q12 soep-is-2016-f/Q12
2017:
2019:
2020:
2022:
2023:
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