urn:ddi:int.example:b37fcada-fb59-46a7-bc87-4826c44b2c88:2 int.example b37fcada-fb59-46a7-bc87-4826c44b2c88 2 extension:ShouldCalculateFrequenciesForValidValues False extension:ShouldCalculateFrequenciesForInvalidValues False fdz@dezim-institut.de soc0005_o soc0005_o soc0005_o Geburtsdatum (Jahr) - offen Birth date (year) - open Birth date (year) - open int.example af1366c2-e1e5-4f97-b546-2f8dd3761ae3 1 QuestionItem