Year	constant 2010 US$
1960	4137877540.45304
1961	4728789176.48426
1962	4520136342.74328
1963	5362355693.23506
1964	6207698962.71934
1965	6583437651.75107
1966	6503800836.3965
1967	7578132097.84455
1968	7591149654.10064
1969	7840780437.96098
1970	7219000693.30478
1971	7805428839.14262
1972	8024430080.50149
1973	8417126360.31604
1974	9836933355.73393
1975	12983225657.4968
1976	15487701387.0359
1977	15958375381.5242
1978	17220312601.1882
1979	17836732178.6785
1980	19234970868.7107
1981	21568559266.2399
1982	22670329495.1553
1983	24584931251.1674
1984	17543199046.8703
1985	12018012148.1399
1986	12134787285.8564
1987	12969952855.5152
1988	15091686905.8597
1989	18352712376.07
1990	21104266425.2844
1991	18110100860.0564
1992	19267770006.8089
1993	20946141403.805
1994	22511183487.309
1995	23567775139.6489
1996	26399348876.271
1997	29428483171.7291
1998	26140912094.0907
1999	24599139541.8301
2000	27418389505.6346
2001	26658312663.1934
2002	27443736624.4081
2003	29269801663.4274
2004	29900809184.8237
2005	30606188369.9315
2006	32256208112.7028
2007	33946454703.7802
2008	35015948094.1258
2009	34403733047.9342
2010	40961206463.3549
2011	40186855076.1276
2012	44529063032.2802
2013	49796135591.1079
2014	53367494935.3624
2015	62385137960.5789
2016	78671562151.4562
2017	86074393763.9356
2018	97181493040.9501