Year	including construction (current US$)
1960	26508961499.4502
1961	15984180738.635693
1962	14781812886.377457
1963	16768157074.736504
1964	21094244110.733204
1965	24717595881.727623
1966	29059931131.944027
1967	24697285613.95299
1968	22040702589.031075
1969	28231272206.739025
1970	37293713687.78
1971	41835089562.187805
1972	48622178590.74076
1973	59328968903.43699
1974	61179731651.5621
1975	74130710288.02203
1976	69330874645.55492
1977	81697772069.78275
1978	71346073861.78862
1979	83710091404.34784
1980	91861887879.16667
1981	90040464154.7619
1982	91512266652.67175
1983	102029573153.2567
1984	111597607692.85715
1985	132189524047.61905
1986	130873170301.44926
1987	118247369383.40808
1988	135950488279.83539
1989	147787569514.17004
1990	148070534143.40344
1991	159051605609.7561
1992	184066130784.92935
1993	205361498360.61487
1994	260508242791.3212
1995	343375643845.8288
1996	406862577694.1188
1997	452905359298.04004
1998	471285497643.54407
1999	496238663727.23706
2000	551593230818.0319
2001	599963366713.9137
2002	653671223470.1715
2003	757466220411.9663
2004	897508305660.6047
2005	1074917875730.2164
2006	1308836011266.4072
2007	1664541695519.651
2008	2158013850478.9778
2009	2344591704077.1636
2010	2830412139429.0244
2011	3513680559814.5684
2012	3875572922800.4927
2013	4227918745809.6333
2014	4513482520281.002
2015	4517694479123.126
2016	4446215389771.777
2017	4905939884031.896
2018	5514473724406.008
2019	5510269346511.521
2020	5558256838203.638
2021	7001796115584.26
2022	7032489070317.1875
2023	6812381934608.112