2016:
soep-is-2016-a/Q361 soep-is-2016-f/Q361
2017:
2019:
2020:
soep-bip-2020-e/Q198 soep-is-2020/Q317
2022:
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e896db2d-1dcd-5b03-b2e2-97601783a119
DE
no period:
0:
2011:
2012:
2018: