Year	including construction (current US$)
1960	47424881.43779641
1961	52266536.00032666
1962	62008178.31288755
1963	52091536.43782557
1964	61599846.000384994
1965	66941176.47058824
1966	72470588.23529412
1967	81352941.1764706
1968	79200000
1969	86950000
1970	94650000
1971	95300000
1972	93476190.47619048
1973	91333333.33333333
1974	130818181.81818181
1975	157041666.6666667
1976	145960000
1977	145600000
1978	156400000
1979	160200000
1980	191200000
1981	147142857.14285716
1982	120666666.66666667
1983	91000000
1984	90000000
1985	93720930.23255815
1986	115813953.4883721
1987	92244897.95918366
1988	106600000
1989	98235294.11764707
1990	68987341.7721519
1991	70447227.19141324
1992	61662669.86410872
1993	106950844.85407066
1994	131012292.11858279
1995	130619718.30985916
1996	159487179.4871795
1997	163678625.85234654
1998	149768467.76818871
1999	138248744.36791426
2000	142542345.00904456
2001	143021999.05335677
2002	142679568.87735033
2003	134120195.88594255
2004	134825964.72649798
2005	137500938.08630395
2006	525265791.08883435
2007	646118870.8386286
2008	748403995.3321395
2009	777803383.1821525
2010	854888834.8152361
2011	976514269.6092247
2012	1080283816.955974
2013	1068126730.2006682
2014	1006824115.6913944
2015	1057922518.1598063
2016	1317147699.7578692
2017	1244358353.510896
2018	1257222175.6283042
2019	1484316546.76259
2020	2122633093.5251799
2021	4052009592.326139
2022	9982105515.58753