Year	constant 2010 US$
1960	4756459923.56551
1961	3515644410.84844
1962	2378229941.10237
1963	3102039227.21635
1964	2998637932.89913
1965	2998637932.89913
1966	3141430045.88444
1967	3474611932.37554
1968	3569807033.88627
1969	3522209376.54738
1970	3760196591.04342
1971	4188573407.23898
1972	4759742295.05907
1973	4902534840.74165
1974	6425652637.45146
1975	7567990887.14968
1976	7948770434.16126
1977	8139159342.27251
1978	8424744433.63766
1979	10947408363.8788
1980	10661823272.5136
1981	11397489284.6723
1982	12035748148.2475
1983	12673642827.075
1984	13421388165.7526
1985	13421388165.7526
1986	12723476186.6646
1987	12049131414.3521
1988	12856423768.6265
1989	11789340380.8086
1990	11966180703.8238
1991	13102967724.3495
1992	14321543793.6795
1993	14264257214.0729
1994	14834828088.8133
1995	15443054841.1578
1996	16060777822.3132
1997	16381993561.2559
1998	16873453019.7086
1999	17295164401.7171
2000	17312459566.1188
2001	17831833353.1024
2002	19561521189.1169
2003	20226612908.4842
2004	20368199199.1713
2005	19981203415.0074
2006	21220038026.897
2007	21580778672.9374
2008	24192052892.1847
2009	26248377387.6227
2010	27770783276.423
2011	30492320035.5971
2012	31346104998.8337
2013	31596873839.3334
2014	31944439451.6488
2015	32934717072.8523
2016	33362868396.5015
2017	33796585683.3017