2016:
soep-is-2016-a/Q146 soep-is-2016-f/Q146
2017:
2019:
2020:
soep-is-2020/Q167a soep-bip-2020-e/Q91
2022:
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43b1e178-0c59-5679-8e85-3ba135ae85c9
DE
no period:
0:
2011:
2012:
2018: