Year	constant 2010 US$
1960	7993551629.55495
1961	8602960700.51619
1962	10380037718.4634
1963	12755226831.8031
1964	13325410293.1504
1965	14617031166.5163
1966	14868075068.0451
1967	15269117700.7374
1968	16070261551.4913
1969	17588763350.8638
1970	19258205296.0306
1971	21146055435.5275
1972	21348459581.135
1973	21318648117.8285
1974	20522211340.2283
1975	22504516747.6753
1976	24189335131.8107
1977	25016210982.4713
1978	26867345951.3695
1979	28548398676.982
1980	29872969062.4234
1981	31130385204.2061
1982	34125338949.4451
1983	35651999675.6172
1984	38302709470.8849
1985	42339809212.3454
1986	46320737880.8388
1987	50116207867.0778
1988	52862941954.6803
1989	55687813456.6334
1990	57579429254.6531
1991	57482777352.8362
1992	59466965588.513
1993	62996642844.8422
1994	63868392792.4651
1995	68852555653.3166
1996	72047716909.8426
1997	80154865904.7821
1998	89927691186.0452
1999	100517976422.03
2000	101900966720.323
2001	104299002973.199
2002	104105790362.852
2003	106995619828.263
2004	111249477352.748
2005	121064127674.033
2006	125971452834.675
2007	137843791163.157
2008	153508273379.471
2009	175291846142.385
2010	184445219941.092
2011	196490841531.396
2012	197685556509.927
2013	198814159863.887
2014	213895436592.319
2015	229854463525.967
2016	243294819636.907
2017	279721120852.282
2018	304540152375.067