Year	including construction (current US$)
1974	971739532.7689202
1975	1045839834.6898324
1976	1287415383.0961266
1977	1468803804.214151
1978	1565066347.1157968
1979	2360939556.4523916
1980	4180817557.192015
1981	3573639697.599082
1982	3398091143.795049
1983	2972480537.61151
1984	2779076107.2119555
1985	2530282026.225485
1986	1386964462.9393451
1987	1639139537.213738
1988	1406263587.4628868
1989	1785428235.6488218
1990	2167153535.9632072
1991	2205247720.760615
1992	2526875682.564472
1993	2349919513.1053457
1994	2200084127.470467
1995	2569245753.593791
1996	2880211568.316098
1997	2912851510.5677104
1998	2087709682.4693086
1999	2538555609.375341
2000	3821002712.9352546
2001	3362988698.587896
2002	3544705147.1360245
2003	4206409315.209711
2004	5341539070.468599
2005	6820716451.663877
2006	8393683056.491369
2007	8733184615.241703
2008	10667408992.729862
2009	7019673869.029245
2010	9411012321.884197
2011	13648002683.810406
2012	13839994173.981867
2013	12670580882.153128
2014	11601212274.277056
2015	7934331749.473239
2016	6531139894.610116
2017	7243013387.732992
2018	8580366575.013029
2019	8420335737.883726
2020	7099465174.751378
2021	8782292472.058859
2022	11331031301.941467
2023	9349401524.853321
