Year	including construction (constant 2010 US$)
1975	117041379876.532
1976	118023572876.269
1977	122893314446.134
1978	122201477771.137
1979	126708273935.077
1980	130701569561.746
1981	135359817018.528
1982	139008986630.691
1983	130410317075.51
1984	133593482709.695
1985	143330277364.937
1986	148457217284.185
1987	148478725160.091
1988	160744487557.357
1989	171287827559.099
1990	175093825433.081
1991	172459110634.515
1992	168315259876.5
1993	172879410376.191
1994	180076483351.456
1995	187084466251.04
1996	193044836361.671
1997	196039808081.673
1998	206159263695.754
1999	214116281619.72
2000	221712146460.754
2001	218589919808.304
2002	228349118500.949
2003	241727017314.888
2004	246646943928.535
2005	252139517738.197
2006	258306901154.43
2007	268819771665.303
2008	280651791898.451
2009	282796306358.644
2010	288270060776.887
2011	292297410540.408
2012	308885359833.416
2013	316126344721.989
2014	326641903717.351
2015	328375976212.325
2016	331041160501.758
2017	325754703836.201
2018	337273574641.835