Year	including construction (current US$)
1960	4053995.326087414
1961	4046207.1879713554
1962	4054313.6141546266
1963	4042852.7290444253
1964	5615684.153144122
1965	8794780.08861788
1966	7392086.004828566
1967	8785998.187016247
1968	8228753.77616116
1969	15110221.054874474
1970	26520978.093672093
1971	35160658.241209134
1972	45417609.09283825
1973	65623226.155934036
1974	85359769.35201633
1975	110140796.31322446
1976	118392529.5981324
1977	146622167.32386336
1978	220912218.33541223
1979	350303739.7224809
1980	465630930.5542153
1981	440101919.5972933
1982	439416468.1385427
1983	559518144.3415508
1984	640609439.6602517
1985	632697823.5194871
1986	806856739.0258543
1987	1140331911.6038027
1988	1637328911.7067375
1989	1894176643.2443323
1990	2157120850.367596
1991	2111219223.5984442
1992	2059202028.700423
1993	1991849199.8803174
1994	1842538510.6783204
1995	2076396062.7759762
1996	2202181007.9246206
1997	2293975423.7675796
1998	2086027762.264901
1999	2457049387.000894
2000	2680027304.088753
2001	2457576525.371499
2002	2391201939.0017877
2003	2975819430.6955695
2004	3477464084.0418506
2005	4250742900.6977153
2006	4624742517.537691
2007	4806461898.090832
2008	4411407590.431792
2009	3330477690.0304704
2010	4711041321.827449
2011	6260674387.667107
2012	5225776278.46254
2013	5581139036.16994
2014	6463047690.178445
2015	5079984276.816488
2016	6085114434.631624
2017	5975174683.691592
2018	5927172037.186365
2019	5343443508.552123
2020	3992976143.485796
2021	6195038060.808182
2022	7611719407.399646
2023	6657418497.3373