2011:
2012:
soep-is-2012-aufwuchs/Q243.02 soep-is-2012-haupt/Q289.02
2013:
soep-is-2013-f/Q385_2 soep-is-2013-a/Q385
2014:
soep-is-2014-a/Q321_b soep-is-2014-f/Q321_b
2015:
2016:
soep-is-2016-f/Q474b soep-is-2016-a/Q474b
2019:
2020:
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f6055741-75d2-54dc-8fae-6527b1c6d442
DE
no period:
0:
2021:
2022:
2023:
2024: