Year	including construction (constant 2010 US$)
1976	424606185.928179
1977	459246190.349153
1978	491213714.029154
1979	500484442.513469
1980	454851501.160876
1981	478590296.106504
1982	497810998.796016
1983	501186160.316615
1984	551855744.919541
1985	629478113.720415
1986	742290662.241921
1987	840937080.841235
1988	916616755.100676
1989	973448390.674836
1990	1053995508.48125
1991	1109243742.35299
1992	1186617868.44671
1993	1241834742.43688
1994	1298800657.97715
1995	1358718664.74037
1996	1443191040.43455
1997	1514222360.13592
1998	1614900895.90399
1999	1671234439.7875
2000	1795711909.30596
2001	1876037232.52923
2002	1832014807.75751
2003	1894566175.61873
2004	1909429620.3644
2005	1842458063.12539
2006	1924180497.78359
2007	2023854977.07977
2008	2126474083.90985
2009	2190195203.71146
2010	2248021725.28943
2011	2248015170.90301
2012	2266685843.65322
2013	2300594997.82279
2014	2293211752.37234
2015	2277465867.05356
2016	2289723521.43286
2017	2353200285.89538
2018	2414391343.62801