Year	including construction (current US$)
1960	18838772100.920467
1961	20688237561.42412
1962	22673224197.912956
1963	25147149979.13264
1964	28359799033.36959
1965	30747363280.873226
1966	33076467413.246002
1967	35349768708.44841
1968	38070821339.99401
1969	40858728477.3217
1970	43119168536.67178
1971	48966496981.17675
1972	58776332899.86996
1973	77181791396.58221
1974	82104473540.64375
1975	103374636683.49397
1976	104878448511.33571
1977	115338325755.5496
1978	141940406976.7442
1979	169628430465.61826
1980	194746972989.75473
1981	166615570307.78516
1982	154680107795.18915
1983	146924864446.16577
1984	136801771372.81393
1985	141817053584.4649
1986	196416327303.72192
1987	234016151915.31158
1988	254520427265.71964
1989	250015422578.65515
1990	310396337790.6276
1991	308430415068.0154
1992	336444857496.9021
1993	305067176279.824
1994	310082703213.6106
1995	357200683401.23535
1996	348033081164.25183
1997	312766913913.2389
1998	322339337336.0018
1999	316573972971.42926
2000	290798487446.27515
2001	288458984459.0555
2002	310032821966.2751
2003	372447001881.96
2004	423027543732.43353
2005	430812288149.41614
2006	447494165107.05817
2007	509150407783.13885
2008	551302392172.6561
2009	494393182475.3903
2010	472053236366.6676
2011	515102785029.1839
2012	479533239101.95325
2013	505344929567.4524
2014	506817735212.54724
2015	431241032276.56226
2016	431139869354.47577
2017	447433953245.8831
2018	479720255245.48987
2019	475496798039.2149
2020	444391955716.7327
2021	485205019325.5736
2022	467501995947.47266
2023	565289400968.6375