2011:
2014:
soep-is-2014-f/Q205 soep-is-2014-a/Q205
2015:
2016:
soep-is-2016-a/Q319 soep-is-2016-f/Q319
2017:
2019:
2020:
soep-bip-2020-e/Q178 soep-is-2020/Q296
2022:
2023:
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f05661e1-7ff3-5782-9f53-16213273f0ef
DE
2013:
2018: