2011:
2012:
soep-is-2012-aufwuchs/Q243.04 soep-is-2012-haupt/Q289.04
2013:
soep-is-2013-a/Q385 soep-is-2013-f/Q385_4
2014:
soep-is-2014-a/Q321_d soep-is-2014-f/Q321_d
2015:
2016:
soep-is-2016-a/Q474f soep-is-2016-f/Q474f
2019:
2020:
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