2016:
soep-is-2016-a/Q147 soep-is-2016-f/Q147
2019:
2020:
soep-bip-2020-e/Q92 soep-is-2020/Q168a
2022:
2023:
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442857b2-af35-5b80-816c-602389cbdf90
DE
no period:
0:
2011:
2012: