as of december a031 , 2017 , 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 ) .
[['', 'amount ( in thousands )'], ['2018', '$ 17188'], ['2019', '17188'], ['2020', '17188'], ['2021', '17188'], ['2022', '17188'], ['years thereafter', '240625'], ['total', '326565'], ['less : amount representing interest', '292209'], ['present value of net minimum lease payments', '$ 34356']]
entergy corporation and subsidiaries notes to financial statements note 11 . a0 retirement , other postretirement benefits , and defined contribution plans a0 a0 ( entergy corporation , entergy arkansas , entergy louisiana , entergy mississippi , entergy new orleans , entergy texas , and system energy ) qualified pension plans entergy has eight qualified pension plans covering substantially all employees .the entergy corporation retirement plan for non-bargaining employees ( non-bargaining plan i ) , the entergy corporation retirement plan for bargaining employees ( bargaining plan i ) , the entergy corporation retirement plan ii for non-bargaining employees ( non-bargaining plan ii ) , the entergy corporation retirement plan ii for bargaining employees , the entergy corporation retirement plan iii , and the entergy corporation retirement plan iv for bargaining employees a0are non-contributory final average pay plans and provide pension benefits that are based on employees 2019 credited service and compensation during employment .effective as of the close of business on december 31 , 2016 , the entergy corporation retirement plan iv for non-bargaining employees ( non-bargaining plan iv ) was merged with and into non-bargaining plan ii .at the close of business on december 31 , 2016 , the liabilities for the accrued benefits and the assets attributable to such liabilities of all participants in non-bargaining plan iv were assumed by and transferred to non-bargaining plan ii .there was no loss of vesting or benefit options or reduction of accrued benefits to affected participants as a result of this plan merger .non-bargaining employees whose most recent date of hire is after june 30 , 2014 participate in the entergy corporation cash balance plan for non-bargaining employees ( non-bargaining cash balance plan ) .certain bargaining employees hired or rehired after june 30 , 2014 , or such later date provided for in their applicable collective bargaining agreements , participate in the entergy corporation cash balance plan for bargaining employees ( bargaining cash balance plan ) .the registrant subsidiaries participate in these four plans : non-bargaining plan i , bargaining plan i , non-bargaining cash balance plan , and bargaining cash balance plan .the assets of the six final average pay qualified pension plans are held in a master trust established by entergy , and the assets of the two cash balance pension plans are held in a second master trust established by entergy . a0 a0each pension plan has an undivided beneficial interest in each of the investment accounts in its respective master trust that is maintained by a trustee . a0 a0use of the master trusts permits the commingling of the trust assets of the pension plans of entergy corporation and its registrant subsidiaries for investment and administrative purposes . a0 a0although assets in the master trusts are commingled , the trustee maintains supporting records for the purpose of allocating the trust level equity in net earnings ( loss ) and the administrative expenses of the investment accounts in each trust to the various participating pension plans in that particular trust . a0 a0the fair value of the trusts 2019 assets is determined by the trustee and certain investment managers . a0 a0for each trust , the trustee calculates a daily earnings factor , including realized and .

Question: what portion of the total future minimum lease payments is dedicated to interest payments?
Answer: 89.5%