Financial report context:
entergy corporation and subsidiaries notes to financial statements liability to $ 60 million , and recorded the $ 2.7 million difference as a credit to interest expense . the $ 60 million remaining liability was eliminated upon payment of the cash portion of the purchase price . as of december 31 , 2016 , entergy louisiana , in connection with the waterford 3 lease obligation , had a future minimum lease payment ( reflecting an interest rate of 8.09% ( 8.09 % ) ) of $ 57.5 million , including $ 2.3 million in interest , due january 2017 that is recorded as long-term debt . in february 2017 the leases were terminated and the leased assets were conveyed to entergy louisiana . grand gulf lease obligations in 1988 , in two separate but substantially identical transactions , system energy sold and leased back undivided ownership interests in grand gulf for the aggregate sum of $ 500 million . the initial term of the leases expired in july 2015 . system energy renewed the leases for fair market value with renewal terms expiring in july 2036 . at the end of the new lease renewal terms , system energy has the option to repurchase the leased interests in grand gulf or renew the leases at fair market value . in the event that system energy does not renew or purchase the interests , system energy would surrender such interests and their associated entitlement of grand gulf 2019s capacity and energy . system energy is required to report the sale-leaseback as a financing transaction in its financial statements . for financial reporting purposes , system energy expenses the interest portion of the lease obligation and the plant depreciation . however , operating revenues include the recovery of the lease payments because the transactions are accounted for as a sale and leaseback for ratemaking purposes . consistent with a recommendation contained in a ferc audit report , system energy initially recorded as a net regulatory asset the difference between the recovery of the lease payments and the amounts expensed for interest and depreciation and continues to record this difference as a regulatory asset or liability on an ongoing basis , resulting in a zero net balance for the regulatory asset at the end of the lease term . the amount was a net regulatory liability of $ 55.6 million and $ 55.6 million as of december 31 , 2016 and 2015 , respectively . as of december 31 , 2016 , system energy , in connection with the grand gulf sale and leaseback transactions , had future minimum lease payments ( reflecting an implicit rate of 5.13% ( 5.13 % ) ) that are recorded as long-term debt , as follows : amount ( in thousands ) .

Financial table:
amount ( in thousands ): 2017; column_2: $ 17188
amount ( in thousands ): 2018; column_2: 17188
amount ( in thousands ): 2019; column_2: 17188
amount ( in thousands ): 2020; column_2: 17188
amount ( in thousands ): 2021; column_2: 17188
amount ( in thousands ): years thereafter; column_2: 257812
amount ( in thousands ): total; column_2: 343752
amount ( in thousands ): less : amount representing interest; column_2: 309393
amount ( in thousands ): present value of net minimum lease payments; column_2: $ 34359

Additional report context:
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Question: what portion of the total future minimum lease payments is used for interest in connection with the grand gulf sale and leaseback transactions?
Answer: 90%