Year	including construction (current US$)
1976	14605788141.443583
1977	17320512030.63858
1978	20999963043.68426
1979	24338708183.22182
1980	27027995107.42395
1981	23118985657.50821
1982	22641401145.43841
1983	22571607936.264748
1984	20473530018.568188
1985	21126499733.9718
1986	29967634970.707527
1987	36943367435.78581
1988	39359476206.39697
1989	38977665106.60426
1990	49208014038.48481
1991	51278419563.936356
1992	56603670172.80241
1993	53884636223.82586
1994	57831282977.95447
1995	69543237341.34024
1996	68214413828.957634
1997	61020577291.690155
1998	62227345486.883064
1999	61763716840.86886
2000	55802980000.80012
2001	55714748447.49613
2002	58718634346.45501
2003	72120999370.50182
2004	82520293098.05042
2005	85579588896.3735
2006	91667829765.10576
2007	107308731975.7572
2008	116482127048.65622
2009	103625011337.59758
2010	100167426069.5002
2011	109852802330.15585
2012	104945932696.00784
2013	109805997153.29051
2014	112260043325.52902
2015	96160905283.76558
2016	100846710453.8057
2017	106033852165.58842
2018	115415014910.39992
2019	112058368514.82335
2020	110888555850.64622
2021	124954633202.5949
2022	122948261995.19504
2023	135517191984.35533