Year	including construction (constant 2010 US$)
1980	6980648304.45196
1981	6521878042.68529
1982	6839958757.51688
1983	6627089356.04107
1984	7521385519.81633
1985	7531172628.41596
1986	7663298450.61783
1987	6297998173.35342
1988	6268636858.10169
1989	7769733154.87144
1990	9050619725.87265
1991	8318789404.5347
1992	8405894584.53462
1993	8933174539.19789
1994	9741833587.22908
1995	10251986118.5426
1996	10617778940.7748
1997	11005592735.3828
1998	11153622606.6106
1999	9646409372.93028
2000	8742326110.09804
2001	8815729352.02089
2002	8762596922.13129
2003	9056515338.76512
2004	9183216521.18548
2005	9381511001.53414
2006	8048950173.69894
2007	8299637807.37377
2008	7261058553.39953
2009	6999601788.3152
2010	7924856300.41371
2011	8580024421.70666
2012	8569193726.1891
2013	8776274077.96536
2014	8829800902.26298
2015	9033169015.36789
2016	9017023896.0849
2017	8421388226.0959