2016:
soep-is-2016-f/Q142 soep-is-2016-a/Q142
2017:
2019:
2020:
soep-bip-2020-e/Q87 soep-is-2020/Q163a
2022:
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6d7bb25f-41a8-5ff4-b7f9-a9c2dcca5a8c
DE
no period:
0:
2011:
2012:
2018: