Year	including construction (constant 2010 US$)
1960	2910313556.11858
1961	3121115581.27123
1962	3651969922.00238
1963	4172357687.00786
1964	4552787439.41712
1965	5440716363.58289
1966	6348021427.93503
1967	7576762817.87899
1968	9467493497.31545
1969	11810708950.4793
1970	13033654798.4925
1971	13835688601.207
1972	14632618866.9975
1973	18364601867.8945
1974	20756517173.4017
1975	22810561034.4091
1976	26137980608.2897
1977	31433548921.7264
1978	39164196352.9606
1979	41858171843.8733
1980	40965658386.5384
1981	41949516504.7519
1982	45098139285.0377
1983	53516466691.6365
1984	60828191591.9661
1985	65027796976.1111
1986	72496866514.8292
1987	83799557289.7969
1988	92986875260.0425
1989	99275643759.2825
1990	114236359500.061
1991	127647935532.813
1992	131990785953.336
1993	142119922737.641
1994	155377354655.161
1995	170788392654.021
1996	184170558473.99
1997	192140207134.399
1998	176206791856.139
1999	198135133007.687
2000	219988391616.013
2001	228182249898.578
2002	246091598972.718
2003	259670121213.327
2004	280001833813.268
2005	293117145202.546
2006	311482439075.447
2007	333664832565.064
2008	342616436329.917
2009	343401083506.839
2010	379076796120.62
2011	396240250298.211
2012	403952646097.395
2013	417319155304.089
2014	430459897877.361
2015	440695603432.691
2016	455131865879.05
2017	475980679220.214
2018	487778932080.573