Year	constant 2010 US$
1960	3518918499.67894
1961	3952215551.65016
1962	4406179156.62566
1963	4270970860.69932
1964	4393919337.04685
1965	5001305827.03722
1966	5862645722.58874
1967	5593630252.97363
1968	4382360078.58683
1969	4619500017.29703
1970	5028277430.11062
1971	5779278949.45281
1972	5444060454.1121
1973	8051899218.80548
1974	10745556720.5506
1975	10532936420.998
1976	9132865025.09746
1977	8019673407.34117
1978	7440659642.66177
1979	8685206470.19106
1980	11878013769.0736
1981	14512824136.8403
1982	13528185484.3819
1983	8750008373.67908
1984	8225638376.26525
1985	7022774935.30392
1986	9115000716.56834
1987	11163791708.4678
1988	9827821654.93651
1989	7741200362.62241
1990	7787437396.4625
1991	8114949719.49653
1992	8217932203.95856
1993	9180853461.73454
1994	12212531703.2955
1995	14637874296.5442
1996	13919448869.2258
1997	15995561744.758
1998	15665947738.3676
1999	13557959331.9304
2000	13163193141.4926
2001	12253864809.3041
2002	12738653103.5063
2003	13384920735.5895
2004	13411542058.1035
2005	14246610911.7004
2006	19180312590.7744
2007	24672361481.5236
2008	32344556573.9453
2009	25809722457.8781
2010	35053626420.3037
2011	39333354294.9879
2012	43067695338.6946
2013	46730228867.7253
2014	46144910052.9768
2015	44539223968.7116
2016	41999339632.5408
2017	42015802818.8324
2018	44259700082.3147