Year	including construction (current US$)
1965	812174315.1354909
1966	835689824.5031608
1967	869283409.3141179
1968	919278567.8857186
1969	1009388418.9080504
1970	1066892731.7315122
1971	1188128458.07263
1972	1397800382.5421667
1973	1745833435.8026366
1974	2688015173.349059
1975	3160281575.240093
1976	3068577190.2956843
1977	3596881074.6498275
1978	4148875685.169287
1979	5198077316.655442
1980	6249022645.165453
1981	5635816279.6560755
1982	5363007141.59769
1983	5017039726.644396
1984	4571049933.851924
1985	4528567027.72533
1986	5332469579.135108
1987	6008848906.447667
1988	7128697421.1545725
1989	7196162423.702636
1990	8329105538.207465
1991	8399465965.279014
1992	8890364054.813774
1993	8380635444.671471
1994	8959425698.14191
1995	10277134028.103046
1996	11058424695.34904
1997	10696128749.868795
1998	10760019234.901945
1999	10866718650.029135
2000	10475881837.003576
2001	10024124958.252142
2002	10656450866.527538
2003	13535233706.443539
2004	15869370142.163689
2005	16305140401.452543
2006	17265908092.732452
2007	19496277800.23102
2008	24758832694.112827
2009	22516662322.67193
2010	23917098859.25867
2011	26976931040.343643
2012	25949403397.71535
2013	27954659232.807453
2014	30751562779.365135
2015	28290982664.689953
2016	28657628119.60998
2017	30115771794.422573
2018	32142629602.789318
2019	32552305919.17959
2020	31604910556.10351
2021	36588483664.20856
2022	33352754643.891243
2023	33541512019.609867