Year	including construction (current US$)
1970	312083333.3333333
1971	322083333.3333333
1972	428538461.53846157
1973	443599999.99999994
1974	764549999.9999999
1975	753199999.9999999
1976	872249999.9999999
1977	1060999999.9999999
1978	1244250000
1979	1469399999.9999998
1980	1286398895.5702
1981	1693396572.85802
1982	1774563783.8548284
1983	1817888378.9904268
1984	1946498976.4039924
1985	1732780188.311375
1986	1285039364.3923333
1987	1319691067.6212716
1988	1432349433.8516755
1989	1483689306.5171459
1990	1552006962.763642
1991	1635371730.1642628
1992	1702240472.2245796
1993	1641755131.1428173
1994	1682718513.9671597
1995	1956983294.1069617
1996	2067808711.2866955
1997	2095177206.7530754
1998	2220683783.857849
1999	2083188017.7716362
2000	2161525885.972797
2001	2069628678.550071
2002	2013809232.9149234
2003	2068810655.2579412
2004	2354763697.076613
2005	2508480048.876391
2006	3166692491.66554
2007	3711651056.615862
2008	4958369475.462611
2009	5068251609.68661
2010	5923201272.056947
2011	7277399040.098533
2012	7945025976.845152
2013	8743489406.657019
2014	9115361881.331404
2015	8316847337.192474
2016	8596051461.649782
2017	9891019348.7699
2018	10574133560.057886
2019	10309823169.319826
2020	8605058002.894356
2021	10651980535.45586
2022	11530944167.872648
2023	11364300279.651722
