<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!--
This file is the schema file for State or Province (stpr).
The DTS starting with this schema file will not contain any linkbases.
-->
<xs:schema elementFormDefault="qualified" targetNamespace="http://xbrl.sec.gov/stpr/2011-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:stpr="http://xbrl.sec.gov/stpr/2011-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:annotation>
<xs:documentation>
This file is the schema file for State or Province (stpr).
The DTS starting with this schema file will not contain any linkbases.
</xs:documentation>
<xs:appinfo>
<link:roleType id="stpr" roleURI="http://xbrl.sec.gov/stpr/role/document/StateOrProvince">
<link:definition>995420 - Document - State or Province</link:definition>
<link:usedOn>link:calculationLink</link:usedOn>
<link:usedOn>link:definitionLink</link:usedOn>
<link:usedOn>link:presentationLink</link:usedOn>
</link:roleType>
</xs:appinfo>
</xs:annotation>
<xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
<xs:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
<xs:element id="stpr_A0" name="A0" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A1" name="A1" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A2" name="A2" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A3" name="A3" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A4" name="A4" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A5" name="A5" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A6" name="A6" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A7" name="A7" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A8" name="A8" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_A9" name="A9" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_AK" name="AK" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_AL" name="AL" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_AR" name="AR" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_AZ" name="AZ" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_B0" name="B0" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_CA" name="CA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_CO" name="CO" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_CT" name="CT" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_DC" name="DC" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_DE" name="DE" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_E6" name="E6" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_FL" name="FL" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_GA" name="GA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_HI" name="HI" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_IA" name="IA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_ID" name="ID" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_IL" name="IL" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_IN" name="IN" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_KS" name="KS" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_KY" name="KY" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_LA" name="LA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_MA" name="MA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_MD" name="MD" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_ME" name="ME" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_MI" name="MI" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_MN" name="MN" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_MO" name="MO" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_MS" name="MS" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_MT" name="MT" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_NC" name="NC" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_ND" name="ND" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_NE" name="NE" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_NH" name="NH" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_NJ" name="NJ" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_NM" name="NM" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_NV" name="NV" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_NY" name="NY" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_OH" name="OH" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_OK" name="OK" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_OR" name="OR" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_PA" name="PA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_RI" name="RI" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_SC" name="SC" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_SD" name="SD" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_TN" name="TN" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_TX" name="TX" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_UT" name="UT" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_VA" name="VA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_VT" name="VT" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_WA" name="WA" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_WI" name="WI" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_WV" name="WV" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_WY" name="WY" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_X1" name="X1" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_Z4" name="Z4" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
<xs:element id="stpr_AllStatesAndProvincesDomain" name="AllStatesAndProvincesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" abstract="true"/>
</xs:schema>
