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        <RelatedOrExemptFuncIncomeAmt>19343</RelatedOrExemptFuncIncomeAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp />
      <RoyaltiesRevenueGrp />
      <GrossRentsGrp />
      <LessRentalExpensesGrp />
      <RentalIncomeOrLossGrp />
      <NetRentalIncomeOrLossGrp />
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>30205</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>30205</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>0</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetGainOrLossInvestmentsGrp>
      <NetIncomeOrLossGrp>
        <ExclusionAmt>0</ExclusionAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>misc revenue</Desc>
        <TotalRevenueColumnAmt>7377</TotalRevenueColumnAmt>
        <ExclusionAmt>7377</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>7377</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>607908</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>19343</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>574509</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>149687</TotalAmt>
        <ProgramServicesAmt>67359</ProgramServicesAmt>
        <ManagementAndGeneralAmt>74844</ManagementAndGeneralAmt>
        <FundraisingAmt>7484</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>113498</TotalAmt>
        <ProgramServicesAmt>66521</ProgramServicesAmt>
        <ManagementAndGeneralAmt>41892</ManagementAndGeneralAmt>
        <FundraisingAmt>5085</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>46378</TotalAmt>
        <ProgramServicesAmt>26074</ProgramServicesAmt>
        <ManagementAndGeneralAmt>18797</ManagementAndGeneralAmt>
        <FundraisingAmt>1507</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>11303</TotalAmt>
        <ProgramServicesAmt>6599</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4355</ManagementAndGeneralAmt>
        <FundraisingAmt>349</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>21233</TotalAmt>
        <ProgramServicesAmt>11990</ProgramServicesAmt>
        <ManagementAndGeneralAmt>8383</ManagementAndGeneralAmt>
        <FundraisingAmt>860</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>4805</TotalAmt>
        <ManagementAndGeneralAmt>4805</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>98177</TotalAmt>
        <ProgramServicesAmt>42059</ProgramServicesAmt>
        <ManagementAndGeneralAmt>48961</ManagementAndGeneralAmt>
        <FundraisingAmt>7157</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>4505</TotalAmt>
        <ProgramServicesAmt>4431</ProgramServicesAmt>
        <ManagementAndGeneralAmt>74</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>6002</TotalAmt>
        <ManagementAndGeneralAmt>2203</ManagementAndGeneralAmt>
        <FundraisingAmt>3799</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>68370</TotalAmt>
        <ProgramServicesAmt>66921</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1449</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>0</TotalAmt>
        <ProgramServicesAmt>0</ProgramServicesAmt>
      </InterestGrp>
      <InsuranceGrp>
        <TotalAmt>613</TotalAmt>
        <ManagementAndGeneralAmt>613</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>524571</TotalAmt>
        <ProgramServicesAmt>291954</ProgramServicesAmt>
        <ManagementAndGeneralAmt>206376</ManagementAndGeneralAmt>
        <FundraisingAmt>26241</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>149954</BOYAmt>
        <EOYAmt>149969</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>232283</BOYAmt>
        <EOYAmt>339659</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <AccountsReceivableGrp>
        <BOYAmt>138215</BOYAmt>
        <EOYAmt>93815</EOYAmt>
      </AccountsReceivableGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>596584</BOYAmt>
        <EOYAmt>646125</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <TotalAssetsGrp>
        <BOYAmt>1117036</BOYAmt>
        <EOYAmt>1229568</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>59883</BOYAmt>
        <EOYAmt>161066</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>248025</BOYAmt>
        <EOYAmt>206292</EOYAmt>
      </DeferredRevenueGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>1510</BOYAmt>
        <EOYAmt>39012</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>309418</BOYAmt>
        <EOYAmt>406370</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>807618</BOYAmt>
        <EOYAmt>823199</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>807618</BOYAmt>
        <EOYAmt>823199</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1117036</BOYAmt>
        <EOYAmt>1229569</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>83337</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>30205</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>true</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="ScheduleA" documentName="IRS990ScheduleA">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <SupportedOrganizationsCnt>0</SupportedOrganizationsCnt>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>69257</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>20653</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>78215</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>86205</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>13500</CurrentTaxYearAmt>
        <TotalAmt>267830</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>537282</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>700463</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>528446</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>482564</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>594408</CurrentTaxYearAmt>
        <TotalAmt>2843163</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>606539</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>721116</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>606661</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>568769</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>607908</CurrentTaxYearAmt>
        <TotalAmt>3110993</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus4YearsAmt>48851</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>48851</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>48851</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>48851</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>3062142</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>694</CurrentTaxYearMinus4YearsAmt>
        <TotalAmt>694</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <TotalAmt>0</TotalAmt>
      </Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>694</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>0</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>0</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>0</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>0</CurrentTaxYearAmt>
        <TotalAmt>694</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <NetIncomeFromOtherUBIGrp>
        <CurrentTaxYearMinus3YearsAmt>5996</CurrentTaxYearMinus3YearsAmt>
        <TotalAmt>5996</TotalAmt>
      </NetIncomeFromOtherUBIGrp>
      <OtherIncome509Grp>
        <TotalAmt>0</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>607233</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>727112</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>606661</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>568769</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>607908</CurrentTaxYearAmt>
        <TotalAmt>3117683</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.98220</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.97620</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00020</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00040</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="ScheduleO" documentName="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part IX, Line 11g</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part IX, Line 11g - Other fees for Services Tot/Prog Service Mgt &amp; General Fundraising Other fees: $42,059, $48,961 $7,157</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part VI, Line 11b - Organization's Process to Review Form 990, A draft copy of the Form 990 is provided to the board and the executive director for review and approval prior to filing.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Live VI, Line 12c - Enforcement of Conflicts Policy, The organization's conflict of interest policy is reviewed annually. All potential conflicts of interest are brought to the attention of the executive director throughout the year.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part VI, Line 15a - Compensation Process for Top Official, Determined by market comparability data for similar positions and approved annually by the board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part VI, Line 15b - Compensation Process for Officers, All other employee compensation is recommended by executive director and approved by the board</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part VI, Line 19 - Governing Documents Disclosure Explanation, Such documents are available upon request just as Forms 990.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part VI, Line 6 - Classes of Members or Stockholders, NAHDO is a membership organization with five member classifications of members: public, health care associations, corporate/vendor, data providers, and general</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part VI, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990, Part VI, Line 7a - Election of Members and Their Rights, NAHDO is a membership organization with each member entitled to vote during the election of board members.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>