2016:
soep-is-2016-a/Q139 soep-is-2016-f/Q139
2019:
2020:
soep-is-2020/Q160a soep-bip-2020-e/Q84
2022:
2023:
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50e47999-aff1-5e39-8112-acfcc2b02773
DE
no period:
0:
2011:
2012: