Year	including construction (constant 2010 US$)
1973	273192788.925254
1974	263710258.016188
1975	241662303.801957
1976	270975427.612559
1977	348323337.316107
1978	384587237.012221
1979	395810485.627149
1980	385406621.140616
1981	430997281.19196
1982	467400657.253039
1983	451484722.069925
1984	487055581.075557
1985	625490041.439203
1986	694445395.927875
1987	710061486.672047
1988	775536150.014573
1989	814858585.455685
1990	837624195.886484
1991	942609439.532005
1992	1101216175.41617
1993	1153614724.80799
1994	1257753312.84127
1995	1307611895.39635
1996	1416171906.35274
1997	1506293646.16916
1998	1541100580.03327
1999	1633385996.96267
2000	1767439735.02683
2001	1831067564.32286
2002	1846898765.24331
2003	1904025504.41381
2004	1931306944.99371
2005	1989479140.82876
2006	2078417632.79224
2007	2160411305.48402
2008	2198072637.23346
2009	2185103996.22787
2010	2272499195.01986
2011	2370946364.26575
2012	2442186768.40778
2013	2507438978.48555
2014	2684337703.71966
2015	2723131362.11493
2016	2549854536.86298
2017	2866240674.0539
2018	3119074916.9512