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        <EOYBookValueAmt>119273</EOYBookValueAmt>
        <EOYFMVAmt>130175</EOYFMVAmt>
      </InvestmentsCorporateStockGrp>
    </InvestmentsCorpStockSchedule>
    <InvestmentsGovtObligationsSch documentId="InvGovtObligSch">
      <USGovtObligationsBookVlEOYAmt>4813716</USGovtObligationsBookVlEOYAmt>
      <USGovtObligationsEOYFMVAmt>4850701</USGovtObligationsEOYFMVAmt>
    </InvestmentsGovtObligationsSch>
    <InvestmentsOtherSchedule2 documentId="InvOtherSch2">
      <InvestmentsOtherGrp>
        <CategoryOrItemTxt>ENERGY TRANSFER LP</CategoryOrItemTxt>
        <BookValueAmt>65751</BookValueAmt>
        <EOYFMVAmt>69000</EOYFMVAmt>
      </InvestmentsOtherGrp>
    </InvestmentsOtherSchedule2>
    <OtherExpensesSchedule documentId="OtherExpensesSch">
      <OtherExpensesScheduleGrp>
        <Desc>Administrative Fees</Desc>
        <RevenueAndExpensesPerBooksAmt>7279</RevenueAndExpensesPerBooksAmt>
        <DisbursementsCharitablePrpsAmt>7279</DisbursementsCharitablePrpsAmt>
      </OtherExpensesScheduleGrp>
      <OtherExpensesScheduleGrp>
        <Desc>K-1 Exp ENERGY TRANSFER LP</Desc>
        <RevenueAndExpensesPerBooksAmt>69</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>22</NetInvestmentIncomeAmt>
      </OtherExpensesScheduleGrp>
    </OtherExpensesSchedule>
    <OtherIncomeSchedule2 documentId="OtherIncomeSch2">
      <OtherIncomeDetail>
        <Desc>K-1 Inc/Loss ENERGY TRANSFER LP</Desc>
        <RevenueAndExpensesPerBooksAmt>-920</RevenueAndExpensesPerBooksAmt>
        <NetInvestmentIncomeAmt>42</NetInvestmentIncomeAmt>
      </OtherIncomeDetail>
    </OtherIncomeSchedule2>
    <OtherProfessionalFeesSchedule documentId="OthProfFeesSch">
      <OtherProfessionalFeesDetail>
        <CategoryTxt>Investment Management Services</CategoryTxt>
        <Amt>12685</Amt>
        <NetInvestmentIncomeAmt>12685</NetInvestmentIncomeAmt>
      </OtherProfessionalFeesDetail>
    </OtherProfessionalFeesSchedule>
    <SubstantialContributorsSch documentId="SubsContributorsSch">
      <SubstantialContributorDetail>
        <PersonNm>Thompson Dorothy Kuntz</PersonNm>
        <USAddress>
          <AddressLine1Txt>5855 Milton Apt 409</AddressLine1Txt>
          <CityNm>Dallas</CityNm>
          <StateAbbreviationCd>TX</StateAbbreviationCd>
          <ZIPCd>752060044</ZIPCd>
        </USAddress>
      </SubstantialContributorDetail>
    </SubstantialContributorsSch>
  </ReturnData>
</Return>