Year	including construction (constant 2010 US$)
1980	1580251966.24687
1981	1505921171.97253
1982	1446463220.21136
1983	1397444593.37372
1984	1374426723.88831
1985	1386555892.73674
1986	1454438745.90269
1987	1482150809.72435
1988	1521508766.03647
1989	1524798344.21636
1990	1542095328.73355
1991	1577598112.33131
1992	1820491258.26367
1993	1567800852.31929
1994	1718157255.64115
1995	1762919316.50549
1996	1672717792.16522
1997	1773247596.02251
1998	1853692099.65579
1999	1891973255.75042
2000	1924139539.96613
2001	1942125881.00311
2002	2137483185.81653
2003	2233536633.3388
2004	2634268617.16658
2005	2634303092.38923
2006	3056256788.50462
2007	3215380675.29913
2008	3340929902.20182
2009	2810260216.90433
2010	3149714595.96787
2011	3226589589.13839
2012	3467144880.62066
2013	3669454338.08665
2014	3830440187.40097
2015	3934550224.00699
2016	3725845211.03583
2017	3717707931.36708
2018	3489707410.44952