Year	including construction (constant 2010 US$)
1965	44520929440.4102
1966	45014992302.0731
1967	46919612669.3735
1968	51364874559.1827
1969	57295550194.7511
1970	56762557913.4173
1971	60355211198.2704
1972	62240643914.3779
1973	62742142872.486
1974	66530201794.238
1975	65804352256.5726
1976	66169993445.0244
1977	71879861650.4315
1978	65888747748.9788
1979	70857685229.3878
1980	69944364770.5217
1981	62485963355.165
1982	60480550582.2703
1983	63733005781.2033
1984	64162748792.3074
1985	58612021762.2455
1986	63670394081.6026
1987	65807667178.8252
1988	63470194515.738
1989	58018891112.9169
1990	54929206470.7599
1991	60799743366.9823
1992	67497900870.1064
1993	71190236533.7945
1994	75608552660.0852
1995	72923362597.4079
1996	77439831587.356
1997	83922428002.1436
1998	85555643756.5648
1999	79889730213.7894
2000	78135869454.2946
2001	74079454708.4723
2002	65666712388.2304
2003	74966012412.1783
2004	83073837932.135
2005	88502201577.9391
2006	96170848625.4511
2007	101973170046.612
2008	105105829488.819
2009	98344013165.2887
2010	107003102712.487
2011	113242365716.77
2012	110749757847.906
2013	111360204064.491
2014	107504874805.797
2015	108998986493.918
2016	102649622504.091
2017	105178423743.741
2018	101961753959.955