Year	including construction (current US$)
1960	28834181.315882
1961	32651050.597703822
1962	31732899.86777115
1963	34871142.13042868
1964	38701828.28367321
1965	46563929.27972763
1966	53647361.81547752
1967	57422545.275010295
1968	63042107.2885296
1969	60451474.46089267
1970	59018867.06879162
1971	63259820.34261867
1972	75634565.25343549
1973	95625995.4526371
1974	97671558.24331583
1975	129301595.93752871
1976	129177385.17000096
1977	127963367.19526999
1978	146785463.49294895
1979	105598093.25279567
1980	93373918.74003144
1981	104257345.57861434
1982	104708902.17661196
1983	109750006.68912934
1984	142799057.33260974
1985	131384077.61425015
1986	155440607.21529022
1987	162532637.2103771
1988	191731883.4127392
1989	227762099.69383898
1990	293398204.6918237
1991	242209594.37756985
1992	245530839.09085646
1993	199097635.7084246
1994	138374189.83214074
1995	192928585.9352785
1996	200065514.30124182
1997	211114384.12087864
1998	224592933.8885369
1999	187450330.85154745
2000	151523220.64104328
2001	223831944.81198347
2002	284770409.89157903
2003	824642391.1528106
2004	1729257031.853906
2005	2611338380.9902697
2006	2905389642.7840805
2007	3273296345.578395
2008	4178445804.223592
2009	3043695552.5954695
2010	3861879869.576984
2011	4990266008.754368
2012	5349213782.554199
2013	5240915105.454706
2014	5533218109.38989
2015	3677657271.253791
2016	3313502184.7540207
2017	3043061154.4600143
2018	3536826946.5137177
2019	3703280791.5491424
2020	3828208088.5548983
2021	4663154116.488956
2022	6283522315.203202
2023	5834526283.798446