Year	constant 2010 US$
1971	6372394110.02535
1972	6406854373.02287
1973	6746904816.49858
1974	7442703974.46762
1975	7267717185.68286
1976	7347968509.27879
1977	8084832208.73923
1978	8954412490.60989
1979	10716094931.1347
1980	11443757327.3104
1981	13998070397.8068
1982	14215582644.7859
1983	15497743493.1109
1984	16825829973.3018
1985	17784295719.1535
1986	18122594001.563
1987	18644038240.7582
1988	18726163116.0291
1989	19315766448.5213
1990	18406853612.3921
1991	19476336135.8078
1992	20233138426.8851
1993	21704892181.5384
1994	22775708099.2909
1995	22978757918.5538
1996	24193362928.4698
1997	25774729152.7416
1998	27618283675.0882
1999	28765452656.2034
2000	29888993313.7833
2001	30714505325.7314
2002	32051377037.8927
2003	35552844042.0399
2004	36124583467.8437
2005	37404274543.7088
2006	39674107258.9244
2007	42010776235.8895
2008	42777384311.7636
2009	47654150744.4869
2010	52622254245.5931
2011	55621371476.9228
2012	60476717686.5968
2013	62601224423.5367
2014	66583713004.405
2015	71350450866.8343
2016	75166384507.3057
2017	77822012001.7422