Year	including construction (current US$)
1965	384507042.2535211
1966	392957746.4788732
1967	358139534.88372093
1968	339215686.2745098
1969	375490196.07843137
1970	403921568.627451
1971	443689320.38834953
1972	375187969.924812
1973	561206896.5517241
1974	524844720.49689436
1975	590425531.9148936
1976	531355932.2033898
1977	505142857.14285713
1978	440488656.19546247
1979	493732193.7321937
1980	527593360.99585074
1981	386860465.11627907
1982	252147525.67693746
1983	268937389.7707231
1984	466911285.06197
1985	751168592.4369748
1986	983849259.7577388
1987	828163265.3061224
1988	861056170.886076
1989	878310172.3179544
1990	987769806.2300713
1991	1120180616.3806002
1992	1114803708.3667161
1993	1481401550.7699897
1994	1356102461.0748367
1995	1569875077.1386158
1996	1634698282.4509165
1997	1768882204.730561
1998	1890459669.674606
1999	1961386573.058359
2000	1265839510.0923254
2001	1340197262.3393667
2002	1558548087.686155
2003	1924203127.9563987
2004	2195198416.889477
2005	2699619645.849743
2006	4047957779.8006134
2007	4839545194.76871
2008	5563675465.06379
2009	4822684020.33642
2010	5800389235.396505
2011	9387168762.844227
2012	11199709019.890217
2013	21416804350.569057
2014	18570560990.134903
2015	15374843766.909435
2016	15553896895.941677
2017	18092913879.747604
2018	20982283066.085827
2019	21258387113.653305
2020	20926603501.31977
2021	22588923695.678387
2022	23370718171.268314
2023	22498376103.796814