Year	including construction (current US$)
1967	24288525.68033704
1968	35562825.85270418
1969	34151719.098758414
1970	36796255.31891123
1971	42969394.39484435
1972	55036823.0067095
1973	66017561.74053543
1974	66773111.35486579
1975	84154526.86235872
1976	92305727.56212841
1977	103554757.8664898
1978	119977827.29861304
1979	140876125.42144513
1980	257070339.81588992
1981	220864949.70458943
1982	189866492.8935482
1983	210295619.73347843
1984	222016127.1095015
1985	216355815.86991403
1986	279576004.2831958
1987	344477804.3345022
1988	328237734.0654839
1989	348072785.71771574
1990	438082983.39335746
1991	453752497.0719523
1992	459702399.6976771
1993	438979065.450594
1994	346799334.3485697
1995	470983850.0021635
1996	474419450.02587515
1997	506702209.6544069
1998	567414397.0496571
1999	627118406.7143092
2000	637339630.8670298
2001	786283953.5186794
2002	883278944.1680921
2003	1072885443.709488
2004	1233227949.6958413
2005	1413929208.743532
2006	1785109602.9219472
2007	1937815839.3763642
2008	2135721776.7610025
2009	2493232825.8394547
2010	2430080727.1689825
2011	2683371218.9964027
2012	2471883915.7765975
2013	2275697217.3762984
2014	2640989653.7637224
2015	2306172230.035949
2016	2507892200.7851715
2017	2895989756.4266667
2018	3453256838.6636467
2019	3615600260.615002
2020	3695219315.313269
2021	3968963246.262256
2022	3785425607.352598
2023	4047539168.625724