Year	including construction (constant 2015 US$)
1970	33831626.90035987
1971	37828153.37227382
1972	37953089.505846076
1973	46837967.397652484
1974	53410783.3211249
1975	52745267.49676526
1976	61269777.99207874
1977	68402332.95847708
1978	64854121.028581694
1979	68801905.53673416
1980	76756639.77628492
1981	70385540.37517889
1982	100180663.52856553
1983	85986243.02634576
1984	96531879.29796663
1985	100220497.82338497
1986	102808883.4032339
1987	109228353.01947783
1988	142512365.60125017
1989	172109618.40072212
1990	202951971.72476944
1991	300721716.7471755
1992	335153274.43588036
1993	348774101.1099337
1994	380880299.6679994
1995	425517543.8100813
1996	457431719.9060418
1997	447365253.31219697
1998	454952199.4808071
1999	480813264.22906595
2000	549813926.5972018
2001	581352407.8149585
2002	618471893.9264889
2003	665146134.6515005
2004	665919400.3846035
2005	681282855.9238037
2006	725228232.9833235
2007	754508255.5246623
2008	819615008.3390174
2009	769056466.3323423
2010	825997231.602783
2011	852118434.5994068
2012	896549987.3684548
2013	803295815.6846302
2014	766138454.1075661
2015	796124455.8811393
2016	811845490.7021555
2017	785375373.0262499
2018	813703204.3623497
2019	759939974.7500191
2020	669719443.4109293
2021	697886550.6594249
2022	697028669.2203845
2023	694753367.4717134