<?xml version="1.0" encoding="UTF-8"?>
<!-- Role schema for positive labels -->
<xsd:schema targetNamespace="http://www.xbrl.org/2009/role/positive" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:positive="http://www.xbrl.org/2009/role/positive" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType roleURI="http://www.xbrl.org/2009/role/positivePeriodStartLabel" id="positivePeriodStartLabel">
        <link:definition>Positive period start label</link:definition>
        <link:usedOn>link:label</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.xbrl.org/2009/role/positivePeriodEndLabel" id="positivePeriodEndLabel">
        <link:definition>Positive period end label</link:definition>
        <link:usedOn>link:label</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.xbrl.org/2009/role/positivePeriodStartTotalLabel" id="positivePeriodStartTotalLabel">
        <link:definition>Positive period start total label</link:definition>
        <link:usedOn>link:label</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.xbrl.org/2009/role/positivePeriodEndTotalLabel" id="positivePeriodEndTotalLabel">
        <link:definition>Positive period end total label</link:definition>
        <link:usedOn>link:label</link:usedOn>
      </link:roleType>	 
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
</xsd:schema>
