Year	including construction (current US$)
1975	93327345809.30193
1976	119902106760.66364
1977	134164210828.36804
1978	137116945005.3125
1979	205816497144.07394
1980	306463634887.64777
1981	302157531011.17316
1982	242962579853.8476
1983	197196082874.7783
1984	189516324148.68594
1985	172820043482.05774
1986	140789474830.10477
1987	154864669298.9731
1988	156244435920.55484
1989	175226032951.5877
1990	368118482191.8731
1991	187946427862.95602
1992	202799233714.7293
1993	194333161026.7507
1994	201773039341.58066
1995	225502289574.21317
1996	250880858438.40485
1997	274644928749.98697
1998	237781624067.9629
1999	290201351013.20624
2000	380652071516.91144
2001	347188395587.6416
2002	348238578593.9199
2003	392353836398.39703
2004	488473748866.08
2005	644465766174.2899
2006	784141997112.7062
2007	892161395805.6282
2008	1185080960105.9414
2009	869600250758.4067
2010	1082468738588.812
2011	1372838728692.0164
2012	1520340800933.7642
2013	1492896627960.4915
2014	1444766946407.2002
2015	1032044126099.5436
2016	956282696127.5504
2017	1051979939952.6737
2018	1280708582867.7114
2019	1233245837442.8594
2020	973147824109.8002
2021	1267586005932.3909
2022	1788823966277.3684