Year	including construction (constant 2010 US$)
1970	144549428.208096
1971	152683523.341496
1972	149132387.284568
1973	151910107.784237
1974	157476135.96442
1975	158463243.646353
1976	174855138.002786
1977	217582441.60598
1978	242422005.287213
1979	244388976.936356
1980	269149137.338584
1981	294920365.775269
1982	322190504.505957
1983	332652230.202951
1984	337778615.104411
1985	369219513.744053
1986	374106295.813078
1987	401830565.482873
1988	404062214.574748
1989	406968094.694066
1990	437442224.031468
1991	478035391.392319
1992	519003012.754094
1993	446238790.322323
1994	363818485.743494
1995	303460998.90509
1996	315235285.731831
1997	311922630.346719
1998	306963060.612493
1999	321052664.972805
2000	301050596.563363
2001	282294687.379266
2002	264707299.893973
2003	248215633.279519
2004	232751422.455864
2005	236361208.320957
2006	249049657.287627
2007	269812363.727489
2008	282884365.917954
2009	308458816.867165
2010	312667504.801754
2011	318469324.952042
2012	335262486.58179
2013	343429166.518547
2014	364722146.843112
2015	306001881.201371
2016	287641812.229959
2017	335826263.609536
2018	343886657.713193