Year	including construction (current US$)
1960	22431120.269405384
1961	27317940.20048153
1962	29794237.224572256
1963	30610205.275647096
1964	33057559.850175645
1965	37541687.48903895
1966	43552865.81377917
1967	47154291.745017655
1968	48472178.34704653
1969	51546277.9367459
1970	65845851.814626835
1971	70454131.3879558
1972	87292017.39458507
1973	119790470.04717138
1974	148729978.09913683
1975	248701781.36733717
1976	283740781.88764906
1977	242185264.58803245
1978	259244320.08989266
1979	436250953.3820639
1980	795155025.766691
1981	1014604665.5850326
1982	1135705716.4703436
1983	1139435055.8179896
1984	1241313023.0172527
1985	1165019249.5391612
1986	603711913.614964
1987	822325903.8945152
1988	661904276.8222831
1989	907543776.157372
1990	1137495605.9319723
1991	981897256.546808
1992	1041588741.9195126
1993	947512206.4063416
1994	804784259.2455306
1995	949416997.6607319
1996	1317167039.945446
1997	1320781999.1623614
1998	897869999.6283594
1999	1442791960.761245
2000	2329036076.1464667
2001	1831518603.6502166
2002	1921254991.4375498
2003	2143310082.5662227
2004	3067292517.9801936
2005	4103743348.306075
2006	5055619161.100683
2007	5012325521.120098
2008	7449149539.427957
2009	5415678543.308057
2010	8701499452.715965
2011	10312810970.402702
2012	11555279135.522161
2013	11132486521.795773
2014	10393460462.644806
2015	6053127919.172744
2016	4202816970.836874
2017	5439974155.715599
2018	8035819460.7483425
2019	7006302442.272173
2020	3893821643.742829
2021	6359287517.844721
2022	7789183868.246852
2023	6928738201.7493