. 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