<Fragment xmlns:r="ddi:reusable:3_3" xmlns="ddi:instance:3_3">
  <Variable isUniversallyUnique="true" versionDate="2025-07-17T15:45:51.2176145Z" xmlns="ddi:logicalproduct:3_3">
    <r:URN>urn:ddi:de.dezim:d1941ece-266a-44ae-994a-9f5d1609bbdc:2</r:URN>
    <r:Agency>de.dezim</r:Agency>
    <r:ID>d1941ece-266a-44ae-994a-9f5d1609bbdc</r:ID>
    <r:Version>2</r:Version>
    <r:UserAttributePair>
      <r:AttributeKey>extension:ShouldCalculateFrequenciesForValidValues</r:AttributeKey>
      <r:AttributeValue>True</r:AttributeValue>
    </r:UserAttributePair>
    <r:UserAttributePair>
      <r:AttributeKey>extension:ShouldCalculateFrequenciesForInvalidValues</r:AttributeKey>
      <r:AttributeValue>True</r:AttributeValue>
    </r:UserAttributePair>
    <r:VersionResponsibility>fdz@dezim-institut.de</r:VersionResponsibility>
    <VariableName>
      <r:String xml:lang="de">wave</r:String>
      <r:String xml:lang="en">wave</r:String>
      <r:String xml:lang="en-GB">wave</r:String>
    </VariableName>
    <r:Label>
      <r:Content xml:lang="de">Befragungswelle</r:Content>
      <r:Content xml:lang="en">Survey wave</r:Content>
      <r:Content xml:lang="en-GB">Survey wave</r:Content>
    </r:Label>
    <VariableRepresentation additivity="NonAdditive">
      <r:CodeRepresentation missingValue="-902 -901 -900" blankIsMissingValue="false">
        <r:CodeListReference>
          <r:Agency>de.dezim</r:Agency>
          <r:ID>49c09fa9-50c2-479d-ba38-6a153e799ade</r:ID>
          <r:Version>1</r:Version>
          <r:TypeOfObject>CodeList</r:TypeOfObject>
        </r:CodeListReference>
      </r:CodeRepresentation>
    </VariableRepresentation>
  </Variable>
</Fragment>