Year	including construction (constant 2015 US$)
1976	1106618693.345133
1977	1225138010.4107306
1978	1424431250.0964618
1979	1791955472.8056717
1980	2023066908.9153576
1981	2303348797.949792
1982	2641357004.6291385
1983	2726262796.80084
1984	3011011603.3113847
1985	2604556477.0444617
1986	2587582190.775725
1987	2591361890.1461687
1988	2316131053.9284925
1989	2426154666.5909476
1990	2265826691.4314303
1991	2332967916.2717032
1992	3038775191.685042
1993	3297169202.787296
1994	3694587372.4234037
1995	3801449811.6663136
1996	3626896434.461233
1997	3825536753.2308683
1998	3883915967.4884515
1999	4142688016.25423
2000	4312671366.245595
2001	4685521442.701551
2002	5384456608.704157
2003	5483622167.401978
2004	6196748426.179105
2005	6639076374.480558
2006	7283618087.871629
2007	7943828486.064327
2008	8581291862.140519
2009	8415426889.014215
2010	8599259117.083578
2011	8925880427.277449
2012	8968432633.267483
2013	9133371126.129593
2014	9508101416.6653
2015	9736587464.788733
2016	9815864814.61892
2017	10124357736.75934
2018	10236899029.406303
2019	10504974091.978811
2020	10365216335.273674
2021	10644695182.823606
2022	10999048667.318237
2023	11360076172.403118