Year	including construction (constant 2010 US$)
1975	472766859.774213
1976	544803037.730244
1977	532849139.928699
1978	585126715.686275
1979	621715742.721331
1980	649312966.428996
1981	642540849.673203
1982	599202317.290553
1983	619175727.866904
1984	634250000
1985	604478312.537136
1986	640656565.656566
1987	633119429.590018
1988	676834818.775995
1989	714143642.305407
1990	682110814.022579
1991	650831699.346405
1992	567923202.614379
1993	575837195.484254
1994	582620617.944147
1995	619175727.866904
1996	653469696.969697
1997	702837938.205585
1998	684748811.64587
1999	703591651.81224
2000	700199940.582294
2001	695677658.942365
2002	727710487.225193
2003	723941919.191919
2004	743538472.964944
2005	796675282.234106
2006	806473559.120618
2007	803458704.693999
2008	764642453.951278
2009	665152257.872846
2010	634250000
2011	641033422.459893
2012	605608882.947118
2013	577344622.697564
2014	571314913.844326
2015	569430629.827689
2016	586389185.977421