urn:ddi:int.example:e76b0bc6-25f6-4f6a-9616-441f9c8c0373:2 int.example e76b0bc6-25f6-4f6a-9616-441f9c8c0373 2 extension:ShouldCalculateFrequenciesForValidValues True extension:ShouldCalculateFrequenciesForInvalidValues True fdz@dezim-institut.de lif0006x04 lif0006x04 lif0006x04 Musik hören: Pop-Musik und aktuelle Charts Listening to music: Pop music and current charts Listening to music: Pop music and current charts int.example ae0e005c-8c0f-464e-8e09-91f7ebf838ec 1 QuestionItem int.example a23b1ada-155a-4e62-833d-0f7e96684f9f 1 CodeList