Year	including construction (current US$)
1960	115280835.74522576
1961	128935522.43876624
1962	145366879.8714238
1963	172316919.39814845
1964	190022278.6993421
1965	215894316.64499775
1966	243791690.89447996
1967	284200416.827278
1968	340223832.3282874
1969	409477267.23332524
1970	517244758.625646
1971	644812491.833268
1972	841380666.7322254
1973	1129742222.2222223
1974	1630259623.9928381
1975	1758176371.6196806
1976	2023109686.669759
1977	2101465112.5141654
1978	2361031401.164221
1979	3076077396.6578717
1980	4149452772.923756
1981	4880534279.843079
1982	5361764566.668245
1983	6123598130.841121
1984	6943539990.534784
1985	6163283484.131076
1986	6157538293.7139225
1987	6823321392.486452
1988	8520275403.608737
1989	9785281256.211489
1990	11153617392.196074
1991	14830101302.460203
1992	16831709911.86439
1993	19476838279.20814
1994	23067686933.20344
1995	27654149395.89029
1996	30385144829.121986
1997	31108845195.938053
1998	27508392078.88136
1999	26615719454.829826
2000	31185008030.914818
2001	27279049272.683334
2002	28451547759.730324
2003	29513432285.816128
2004	36679489394.33023
2005	40141444619.28254
2006	45917354602.113495
2007	51072190203.450066
2008	51144670748.5753
2009	52452260719.20881
2010	63874946094.925735
2011	70564313518.46434
2012	73838739001.1491
2013	72104291536.80173
2014	76097865119.76639
2015	74806757223.64665
2016	74164595315.68259
2017	80751452830.53026
2018	95707873865.13765
2019	90536873294.73566
2020	81111686097.83568
2021	105390838588.95126
2022	118370788595.07045
2023	112321571799.12822
