Year	including construction (constant 2015 US$)
1975	572935733.5275931
1976	661864099.4757848
1977	652058170.6887062
1978	712510491.2796584
1979	750188046.1233872
1980	779057970.4431164
1981	768171774.2263387
1982	715562878.7736934
1983	733926463.2069551
1984	746947357.1282948
1985	701106672.4428788
1986	741949580.6119847
1987	725506366.7505891
1988	777443987.1763955
1989	822680224.9239846
1990	784839389.6446117
1991	746259059.1583238
1992	651941860.5792623
1993	660896110.0364523
1994	665723829.9980624
1995	707392087.707441
1996	747430701.3766973
1997	801434194.6950727
1998	750716445.5594554
1999	760220774.4500835
2000	754524412.4559462
2001	740247350.7971675
2002	771218316.8914013
2003	767559801.0367566
2004	787146343.0964454
2005	842596777.7234674
2006	810170310.9933032
2007	809340782.4927272
2008	861747935.3353208
2009	733987525.6942029
2010	660345096.8582199
2011	654299410.5614823
2012	646003347.4350601
2013	636400871.591578
2014	633231793.6334336
2015	644197900
2016	632557214.8940495
2017	641332963.4713396
2018	619810094.0812149
2019	617952927.5594763
2020	609086761.361243
2021	570670996.1449927
2022	604798071.5196683
2023	626790728.6658381