Year	including construction (constant 2010 US$)
1981	51469504021.9611
1982	53712532770.1544
1983	57064260811.6172
1984	60580918888.2931
1985	61358994483.8345
1986	62309660686.7033
1987	64157828375.8264
1988	63379550347.6589
1989	63241358770.1931
1990	60172689095.7282
1991	57666813618.6836
1992	54170953716.2119
1993	52587996685.5505
1994	50634033475.2372
1995	51878803489.5568
1996	54662369186.1051
1997	56560362042.3388
1998	59188944440.9106
1999	62445917100.0621
2000	68107170883.1627
2001	70284467412.4489
2002	74724655625.3357
2003	78481072931.7023
2004	83233530700.2124
2005	89890861605.6845
2006	94205700258.4019
2007	100943422084.473
2008	104968409470.817
2009	109697004344.969
2010	116942529997.727
2011	123869753566.185
2012	130420568788.791
2013	140936934215.83
2014	150843129555.534
2015	158278221429.521
2016	166700159560.173
2017	177744716826.6
2018	186247120440.38