Year	including construction (constant 2010 US$)
1966	1360344839.90642
1967	1496993770.76402
1968	1434121380.09002
1969	1652628836.79315
1970	1805092179.23445
1971	2127258397.46196
1972	2486600501.62588
1973	2999341365.84105
1974	3153697764.06948
1975	3406588622.50901
1976	3664128209.96397
1977	3878899490.47695
1978	3785460037.26678
1979	4084838185.86064
1980	4261025015.5455
1981	4402811250.5162
1982	4208029504.76959
1983	4592944267.24739
1984	4635247701.28783
1985	4345167010.72484
1986	4662675202.4789
1987	5544074223.8049
1988	5509208756.18916
1989	5810911269.29073
1990	5456763190.05575
1991	5328838071.26885
1992	6010890472.60703
1993	6509369500.09254
1994	6918212692.15208
1995	7346055656.00522
1996	7894451055.6453
1997	8766040287.67791
1998	9601641687.34373
1999	10640353617.941
2000	10974454067.1878
2001	10850809718.9161
2002	11498394272.7104
2003	11182401764.9725
2004	11519730901.2801
2005	12512246693.5481
2006	13724854568.8281
2007	14290510731.3517
2008	14555616880.208
2009	13779915658.9699
2010	15073853814.6204
2011	15550374965.2496
2012	15510811410.6884
2013	17734672816.6434
2014	19506738876.9545
2015	20771754757.5453
2016	22644903237.6478
2017	23221911048.4372
2018	24895196197.423