Year	including construction (constant 2010 US$)
1969	101201287285.778
1970	114131841916.03
1971	114925334539.775
1972	116374941344.132
1973	120410503454.666
1974	122153734366.324
1975	116082203409.235
1976	120109952739.901
1977	119151318690.243
1978	116944164936.538
1979	115382483612.94
1980	114799011729.79
1981	109408381159.685
1982	104157580674.824
1983	105771155332.584
1984	110752894088.782
1985	114345077564.551
1986	114334541105.789
1987	116521704129.193
1988	122348855861.556
1989	127095323062.688
1990	129285190958.159
1991	131387008466.928
1992	131344205452.466
1993	130225171151.563
1994	134560235562.462
1995	137064190585.295
1996	139778679298.317
1997	140475098761.309
1998	145464037088.852
1999	151309898170.855
2000	156847185174.737
2001	160449128599.208
2002	159681677338.892
2003	156958826872.066
2004	161102598301.508
2005	164445231204.819
2006	167786231225.218
2007	175163298491.638
2008	178835478131.662
2009	164905879142.513
2010	166722523828.879
2011	169457460331.08
2012	165201071368.37
2013	164976698369.711
2014	164671012331.56
2015	165295453960.839
2016	169408185251.627
2017	177425525787.508
2018	184570819038.965