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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46f691b0-ed15-5ec3-9611-380364421fc3
DE
no period:
0:
2011:
2012: