2011:
soep-is-2011/Q133 soep-is-2011/Q142
2012:
soep-is-2012-haupt/Q136 soep-is-2012-aufwuchs/Q133 soep-is-2012-haupt/Q145
2013:
2014:
2015:
2016:
2017:
2019:
2020:
2022:
2023:
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5f2866c2-389a-5ed0-9c0c-41bdf1f02a0b
DE
no period:
0: