2013:
soep-is-2013-a/Q388 soep-is-2013-f/Q388
2014:
2015:
2016:
soep-is-2016-f/Q_Info soep-is-2016-a/Q476
2017:
2019:
2020:
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e1533b5f-76b3-55da-b69f-2f2a13168931
DE
no period:
0:
2011:
2012:
2018:
2021:
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