Year	including construction (constant 2015 US$)
1965	12471452204.804611
1966	12861971088.159592
1967	13818505960.927052
1968	14514442760.332312
1969	15646474739.157269
1970	16429214525.052847
1971	17594341324.3342
1972	19360280953.03477
1973	21232691347.62948
1974	22353187417.384544
1975	22384391105.493526
1976	23375722817.902996
1977	23720476292.39619
1978	25525940592.336742
1979	26876020160.871548
1980	27832744146.8008
1981	27580467056.93433
1982	27468890233.118618
1983	28402164174.584503
1984	30356271497.747955
1985	32166652742.813007
1986	35487292487.61147
1987	37652450208.75689
1988	39065882721.14227
1989	40871725246.67696
1990	41872701736.90309
1991	43012765494.57647
1992	42821650543.19038
1993	44635744925.63706
1994	46263964409.24192
1995	48828384331.741905
1996	47516643472.39944
1997	48151424268.75086
1998	48492096088.554085
1999	44986068611.713425
2000	46414775407.42489
2001	46788543706.459915
2002	48121282601.74847
2003	50446705813.501236
2004	53576058209.88955
2005	55866957549.39557
2006	59833356526.706985
2007	63466760353.09563
2008	65887084363.52676
2009	66541403422.40461
2010	68710795709.02975
2011	73679827402.53694
2012	75916694062.56921
2013	79494294758.51842
2014	82187434073.32002
2015	83907848232.03064
2016	85339034400.94743
2017	83500813633.53139
2018	83742262472.42612
2019	83906024600.31696
2020	71579733121.03265
2021	77386541223.81657
2022	82754948262.62547
2023	81143745102.74272