Financial report context:
the contracts were valued as of april 1 , 2002 , and an asset and a corresponding gain of $ 127 million , net of income taxes , was recorded as a cumulative effect of a change in accounting principle in the second quarter of 2002 . the majority of the gain recorded relates to the warrior run contract , as the asset value of the deepwater contract on april 1 , 2002 , was less than $ 1 million . the warrior run contract qualifies and was designated as a cash flow hedge as defined by sfas no . 133 and hedge accounting is applied for this contract subsequent to april 1 , 2002 . the contract valuations were performed using current forward electricity and gas price quotes and current market data for other contract variables . the forward curves used to value the contracts include certain assumptions , including projections of future electricity and gas prices in periods where future prices are not quoted . fluctuations in market prices and their impact on the assumptions will cause the value of these contracts to change . such fluctuations will increase the volatility of the company 2019s reported results of operations . 11 . commitments , contingencies and risks operating leases 2014as of december 31 , 2002 , the company was obligated under long-term non-cancelable operating leases , primarily for office rental and site leases . rental expense for operating leases , excluding amounts related to the sale/leaseback discussed below , was $ 31 million $ 32 million and $ 13 million in the years ended december 31 , 2002 , 2001and 2000 , respectively , including commitments of businesses classified as discontinued amounting to $ 6 million in 2002 , $ 16 million in 2001 and $ 6 million in 2000 . the future minimum lease commitments under these leases are as follows ( in millions ) : discontinued total operations .

Financial table:
total: 2003; discontinued operations: $ 30; column_3: $ 4
total: 2004; discontinued operations: 20; column_3: 4
total: 2005; discontinued operations: 15; column_3: 3
total: 2006; discontinued operations: 11; column_3: 1
total: 2007; discontinued operations: 9; column_3: 1
total: thereafter; discontinued operations: 84; column_3: 1
total: total; discontinued operations: $ 169; column_3: $ 14

Additional report context:
sale/leaseback 2014in may 1999 , a subsidiary of the company acquired six electric generating stations from new york state electric and gas ( 2018 2018nyseg 2019 2019 ) . concurrently , the subsidiary sold two of the plants to an unrelated third party for $ 666 million and simultaneously entered into a leasing arrangement with the unrelated party . this transaction has been accounted for as a sale/leaseback with operating lease treatment . rental expense was $ 54 million , $ 58 million and $ 54 million in 2002 , 2001 and 2000 , respectively . future minimum lease commitments are as follows ( in millions ) : in connection with the lease of the two power plants , the subsidiary is required to maintain a rent reserve account equal to the maximum semi-annual payment with respect to the sum of the basic rent ( other then deferrable basic rent ) and fixed charges expected to become due in the immediately succeeding three-year period . at december 31 , 2002 , 2001 and 2000 , the amount deposited in the rent reserve account approximated .

Question: what was the average rental expense in millions for 2000 through 2002?
Answer: 55.3