future capital commitments future capital commitments consist of contracted commitments , including ship construction contracts , and future expected capital expenditures necessary for operations as well as our ship refurbishment projects . as of december 31 , 2018 , anticipated capital expenditures were $ 1.6 billion , $ 1.2 billion and $ 0.7 billion for the years ending december 31 , 2019 , 2020 and 2021 , respectively . we have export credit financing in place for the anticipated expenditures related to ship construction contracts of $ 0.6 billion , $ 0.5 billion and $ 0.2 billion for the years ending december 31 , 2019 , 2020 and 2021 , respectively . these future expected capital expenditures will significantly increase our depreciation and amortization expense as we take delivery of the ships . project leonardo will introduce an additional six ships , each approximately 140000 gross tons with approximately 3300 berths , with expected delivery dates from 2022 through 2027 , subject to certain conditions . we have a breakaway plus class ship , norwegian encore , with approximately 168000 gross tons with 4000 berths , on order for delivery in the fall of 2019 . for the regent brand , we have orders for two explorer class ships , seven seas splendor and an additional ship , to be delivered in 2020 and 2023 , respectively . each of the explorer class ships will be approximately 55000 gross tons and 750 berths . for the oceania cruises brand , we have orders for two allura class ships to be delivered in 2022 and 2025 . each of the allura class ships will be approximately 67000 gross tons and 1200 berths . the combined contract prices of the 11 ships on order for delivery was approximately 20ac7.9 billion , or $ 9.1 billion based on the euro/u.s . dollar exchange rate as of december 31 , 2018 . we have obtained export credit financing which is expected to fund approximately 80% ( 80 % ) of the contract price of each ship , subject to certain conditions . we do not anticipate any contractual breaches or cancellations to occur . however , if any such events were to occur , it could result in , among other things , the forfeiture of prior deposits or payments made by us and potential claims and impairment losses which may materially impact our business , financial condition and results of operations . capitalized interest for the years ended december 31 , 2018 , 2017 and 2016 was $ 30.4 million , $ 29.0 million and $ 33.7 million , respectively , primarily associated with the construction of our newbuild ships . off-balance sheet transactions contractual obligations as of december 31 , 2018 , our contractual obligations with initial or remaining terms in excess of one year , including interest payments on long-term debt obligations , were as follows ( in thousands ) : less than 1 year 1-3 years 3-5 years more than 5 years .
what is the percentage change in capitalized interest from 2017 to 2018?
( 1 ) long-term debt includes discount and premiums aggregating $ 0.4 million and capital leases . long-term debt excludes deferred financing fees which are a direct deduction from the carrying value of the related debt liability in the consolidated balance sheets . ( 2 ) operating leases are primarily for offices , motor vehicles and office equipment . ( 3 ) ship construction contracts are for our newbuild ships based on the euro/u.s . dollar exchange rate as of december 31 , 2018 . export credit financing is in place from syndicates of banks . the amount does not include the two project leonardo ships , one explorer class ship and two allura class ships which were still subject to financing and certain italian government approvals as of december 31 , 2018 . we refer you to note 17 2014 201csubsequent events 201d in the notes to consolidated financial statements for details regarding the financing for certain ships . ( 4 ) port facilities are for our usage of certain port facilities . ( 5 ) interest includes fixed and variable rates with libor held constant as of december 31 , 2018 . ( 6 ) other includes future commitments for service , maintenance and other business enhancement capital expenditure contracts . ( 7 ) total excludes $ 0.5 million of unrecognized tax benefits as of december 31 , 2018 , because an estimate of the timing of future tax settlements cannot be reasonably determined. .