Year	including construction (constant 2015 US$)
1960	43420985535.75768
1961	47544332795.50193
1962	50845637088.679375
1963	50917995306.06961
1964	54077177067.15637
1965	53308112120.91967
1966	59045708635.390236
1967	61000807771.7897
1968	69807532458.44325
1969	77565245125.75566
1970	90252639037.1328
1971	100912034717.33945
1972	115230286067.51825
1973	134863896587.90872
1974	146319070554.07867
1975	153489994527.66626
1976	171503242219.61722
1977	176896221074.97467
1978	188288033510.25327
1979	201086281503.97305
1980	219686762543.09073
1981	200266452734.2814
1982	200186346153.1875
1983	188335314460.91895
1984	200219272803.40314
1985	216777406664.2443
1986	242053652281.29507
1987	244449983438.88016
1988	238094283869.4693
1989	244903780388.1359
1990	224870651152.38623
1991	225455314858.62604
1992	215941100566.33997
1993	231078571701.22134
1994	246633199287.55634
1995	251349349161.1273
1996	253799041630.04825
1997	264902730527.87238
1998	259366251958.33615
1999	252602199243.02728
2000	263746594721.01956
2001	262052286634.93918
2002	272018710023.27798
2003	272300574743.11417
2004	294669766247.16534
2005	300546622147.5541
2006	306576954319.52057
2007	325605156247.4505
2008	338953702372.7142
2009	323015120403.0421
2010	355972583443.09753
2011	370618452974.8422
2012	367939532529.3642
2013	375909906540.81854
2014	370240494224.6594
2015	348909075885.5681
2016	332976845813.76373
2017	331309530892.0133
2018	333684957739.2649
2019	331449143233.8839
2020	321602085020.82983
2021	337795753588.3183
2022	342933058235.7251
2023	348399003990.533