Year	including construction (current US$)
1966	3406064269.1194415
1967	3674978163.649099
1968	3730659333.3333335
1969	4150114400
1970	4503631333.333333
1971	5004844269.690155
1972	6020642510.756479
1973	7760430614.100339
1974	8579094324.763327
1975	10074606696.599491
1976	10618693961.952026
1977	11698882429.371002
1978	13748920683.277119
1979	15512127352.214407
1980	16558706861.370853
1981	13710032568.717186
1982	13421698070.18386
1983	13526033788.955713
1984	13374525906.185427
1985	14295417689.026463
1986	19955513533.555805
1987	24974790286.975716
1988	26078000742.7765
1989	25545163880.605183
1990	31289288368.93643
1991	31186488548.424923
1992	34399246864.6974
1993	30969884483.104305
1994	33767546300.66346
1995	40872759174.639435
1996	41819822546.43282
1997	38963940797.940796
1998	39515252059.45559
1999	40288348241.16281
2000	38827989880.120255
2001	37721939131.06166
2002	40471111505.18702
2003	48336610349.590904
2004	55627917744.65457
2005	58816297753.839485
2006	64553196004.57389
2007	70805547697.33821
2008	79838161864.22394
2009	64088275849.20442
2010	63448925556.64709
2011	69676798717.01059
2012	66731571074.97798
2013	68929238730.26183
2014	69839775499.78021
2015	60496642597.17137
2016	64716731650.35361
2017	68892662189.52954
2018	74310375155.31496
2019	71756209116.90887
2020	69961572540.07225
2021	79467536283.17612
2022	78658053107.8872
2023	86846033706.9294