Year	including construction (current US$)
1968	64923782401.83532
1969	72760394823.13487
1970	79364977943.14977
1971	89084255200.62071
1972	100816699101.83221
1973	134630517252.55807
1974	227187653681.0706
1975	237375524864.29456
1976	276780232852.2
1977	302790046868.2483
1978	319066118732.8515
1979	417226225140.58563
1980	523425048849.64777
1981	579769928888.8339
1982	515291636592.45386
1983	489696015746.9614
1984	477294744063.6075
1985	449629860604.14954
1986	432444652668.36096
1987	437429682432.3896
1988	479405619036.3916
1989	490137051757.3348
1990	589371624863.3436
1991	622137795400.4644
1992	676507874116.0043
1993	770306456849.0016
1994	806638429360.6766
1995	826044790212.6503
1996	915083237035.2583
1997	975110420794.885
1998	910840815945.2986
1999	970470862687.9081
2000	1094169352440.8389
2001	1067369381218.4552
2002	1070032835567.6609
2003	1177043493410.5159
2004	1416355269847.8696
2005	1706936546732.7795
2006	2011994921752.2083
2007	2360703741505.1006
2008	2754504666242.1353
2009	2419734411756.5894
2010	2991354198120.892
2011	3456520226959.329
2012	3592665867651.715
2013	3528607659862.237
2014	3531167849429.7466
2015	3269837540447.259
2016	3307121227109.8066
2017	3637508598446.516
2018	3789525488655.511
2019	3742841544657.777
2020	3400135931622.535
2021	4168314124794.1016
2022	4832553923606.659
2023	4879070744465.511