Year	including construction (current US$)
1960	291662866.8277311
1961	296874842.56302524
1962	302409326.3168724
1963	256729419.394958
1964	267075484.9579832
1965	366030724.03361344
1966	355869516.44957983
1967	371776214.46502054
1968	386518613.1260504
1969	457492180.95798314
1970	555315593.4117647
1971	594043112.2091063
1972	627243813.4840871
1973	739873858.34375
1974	905863720.9172932
1975	1011805093.5663338
1976	983211446.2901307
1977	1187988416.121759
1978	752579365.727098
1979	959782454.271034
1980	1204364520.629159
1981	1247606688.2077923
1982	1264552668.5247478
1983	1371556137.0165746
1984	1601336587.5786164
1985	1587140097.2017672
1986	1726555156.4596717
1987	1856362372.2826085
1988	1886400467.7145553
1989	1893619835.006935
1990	2114778527.958063
1991	2330697241.962775
1992	2512065233.858088
1993	2672501777.731788
1994	3093938504.653986
1995	3476841748.292683
1996	3693216620.2279716
1997	4073860313.6124763
1998	4362052626.842513
1999	4283778550.396376
2000	4461264359.174133
2001	4224177589.5255146
2002	4631985078.402677
2003	5367060712.805636
2004	5913222650.459532
2005	7367641791.044776
2006	8665580529.582962
2007	9679133134.718636
2008	11958137187.572815
2009	12481653908.55538
2010	16291000907.623684
2011	19698013740.452602
2012	21817400084.1702
2013	23712852210.84522
2014	25185972227.482494
2015	25146736955.520256
2016	26828535552.488213
2017	29377698278.294693
2018	28401852735.427544
2019	25984368507.24573
2020	23804020203.39173
2021	26542045025.188126
2022	22101613739.121113
2023	21589121832.266724