urn:ddi:int.example:d1d7f81b-8626-4eae-8c31-faec9c0db564:2 int.example d1d7f81b-8626-4eae-8c31-faec9c0db564 2 extension:ShouldCalculateFrequenciesForValidValues True extension:ShouldCalculateFrequenciesForInvalidValues True fdz@dezim-institut.de lif0040x04 lif0040x04 lif0040x04 Schwierig Besuch Befragungsperson: Bürokratischer Aufwand Difficult to visit respondent: bureaucratic effort Difficult to visit respondent: bureaucratic effort int.example 73018a22-0dd5-4ddd-b9f5-0904a7b10229 1 QuestionItem int.example 86bba6a8-1ed7-46a8-8161-4ead312401bb 1 CodeList