<xs:simpleType name="ReciprocalTimeUom">
  <xs:restriction base="eml:UomEnum">
    <xs:enumeration value="1/a">
      <xs:annotation>
        <xs:documentation>per julian-year</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1/d">
      <xs:annotation>
        <xs:documentation>per day</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1/h">
      <xs:annotation>
        <xs:documentation>per hour</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1/min">
      <xs:annotation>
        <xs:documentation>per minute</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1/ms">
      <xs:annotation>
        <xs:documentation>per millisecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1/s">
      <xs:annotation>
        <xs:documentation>per second</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1/us">
      <xs:annotation>
        <xs:documentation>per microsecond</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="1/wk">
      <xs:annotation>
        <xs:documentation>per week</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>