`AverageDiscountedCashFlowRate` MUST exist at least once. `AverageDiscountedCashFlowRate` MUST exist at least once. `AverageDiscountedCashFlowRate` MUST exist at least once. `AverageDiscountedCashFlowRate` MUST exist at least once. `CurrentContractAnnualRentAtTheTimeOfValuation` MUST exist at least once. `CurrentContractAnnualRentAtTheTimeOfValuation` MUST exist at least once. `CurrentContractAnnualRentAtTheTimeOfValuation` MUST exist at least once. `CurrentContractAnnualRentAtTheTimeOfValuation` MUST exist at least once. `MarketAnnualRentAtTheTimeOfValuation` MUST exist at least once. `MarketAnnualRentAtTheTimeOfValuation` MUST exist at least once. `MarketAnnualRentAtTheTimeOfValuation` MUST exist at least once. `MarketAnnualRentAtTheTimeOfValuation` MUST exist at least once. `MarketValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueMaintenanceCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueManagementCostsAtTheTimeOfValuation` MUST exist at least once. `MarketValueNCWGroundLease` MUST exist at least once. `MarketValueNCWGroundLease` MUST exist at least once. `MarketValueNCWGroundLease` MUST exist at least once. `MarketValueNCWGroundLease` MUST exist at least once. `OverdueMaintenanceIncludedInTheMarketValue` MUST exist at least once. `OverdueMaintenanceIncludedInTheMarketValue` MUST exist at least once. `OverdueMaintenanceIncludedInTheMarketValue` MUST exist at least once. `OverdueMaintenanceIncludedInTheMarketValue` MUST exist at least once. `VacantValueAtTheTimeOfValuation` MUST exist at least once. `VacantValueAtTheTimeOfValuation` MUST exist at least once. `VacantValueAtTheTimeOfValuation` MUST exist at least once. `VacantValueAtTheTimeOfValuation` MUST exist at least once.