Year	including construction (constant 2015 US$)
1976	49670842842.97227
1977	52542337650.78633
1978	52047902092.79844
1979	53856093002.85625
1980	54997515484.21562
1981	53927191698.40039
1982	52875222584.33476
1983	54213339510.944145
1984	53028710378.59805
1985	55796253814.17656
1986	56898349611.12772
1987	57084357228.215225
1988	59061904185.89803
1989	60724579151.81171
1990	64513799780.51601
1991	67172885002.49725
1992	67813609835.114044
1993	67696968963.94842
1994	70784541407.2117
1995	73170366918.3867
1996	74414374961.61327
1997	75633962626.11717
1998	77789590840.79686
1999	80137198070.94139
2000	83444733663.79684
2001	84916546893.72653
2002	84307690599.86716
2003	86368155893.91794
2004	89098877925.19528
2005	90910546048.65233
2006	94231495652.35545
2007	99073054862.91794
2008	98796708487.24997
2009	87628584727.92575
2010	90590218581.99997
2011	94198875973.37105
2012	95584335815.02339
2013	96148767212.74214
2014	96169859052.79292
2015	96160905283.76558
2016	99079512227.94136
2017	102430929055.62105
2018	105738198365.38277
2019	106236036799.40619
2020	100438210618.67181
2021	108756073427.88275
2022	112050072963.4726
2023	109821616322.65228