Year	including construction (constant 2010 US$)
1960	31233665471.6504
1961	33353406071.2882
1962	35623546532.7085
1963	39119833430.7523
1964	41762915911.9517
1965	43472539469.8468
1966	45033036948.802
1967	46522910917.5589
1968	48770586102.3426
1969	52411184278.4918
1970	52801544997.7366
1971	54125339768.0218
1972	56095029632.5013
1973	56439381445.198
1974	57236708007.3791
1975	61291734151.1331
1976	66605898915.2923
1977	71272728137.7073
1978	76181834202.5602
1979	73772986716.3829
1980	77640586216.469
1981	83857210317.4714
1982	85046285632.185
1983	91744150494.138
1984	95483857318.8416
1985	99668835436.6269
1986	105406606586.068
1987	111277393486.304
1988	121402808478.8
1989	131482003532.093
1990	141121072319.174
1991	141604060583.289
1992	146156789468.841
1993	154191628969.074
1994	168318298582.71
1995	187321066206.338
1996	199297857694.442
1997	207295189139.376
1998	215894530632.032
1999	228770990370.081
2000	242570756020.961
2001	248897358880.497
2002	266845980665.333
2003	286375353200.433
2004	314480438099.274
2005	344586633647.335
2006	390212916485.231
2007	421522979217.759
2008	438380764201.468
2009	477153750650.692
2010	514834226617.679
2011	533504592780.381
2012	550945821122.579
2013	571804034363.404
2014	611833939079.165
2015	670431393379.063
2016	722275160816.077
2017	765225809236.026
2018	823830119855.463