iterated 

indicates whether or not the phenomenon is repeated.

Attribute Information

Source 

<xs:attribute name="iterated" default="false">
  <xs:annotation>
    <xs:documentation>indicates whether or not the phenomenon is repeated.</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:union memberTypes="xs:boolean">
      <xs:simpleType>
        <xs:restriction base="xs:token">
          <xs:enumeration value="unknown"/>
          <xs:enumeration value="inapplicable"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:union>
  </xs:simpleType>
</xs:attribute>

Sample