2011:
2012:
soep-is-2012-haupt/Q113 soep-is-2012-aufwuchs/LQ99_Q100R4
2013:
soep-is-2013-a/Q144 soep-is-2013-f/Q144
2014:
2015:
2016:
soep-is-2016-f/Q171 soep-is-2016-a/Q171
2017:
2019:
2020:
You are using Internet Explorer. Content will likely not be displayed correctly. Please switch to a different Browser to use this site.