Year	constant 2010 US$
1960	19798714476.8781
1961	18831601408.8048
1962	17158209232.598
1963	19600956239.8923
1964	20975854941.6638
1965	22219987609.4446
1966	25603646260.3935
1967	27697700599.5145
1968	30672394231.0518
1969	33881894273.2366
1970	37619807723.6264
1971	42629495518.169
1972	50911666515.5621
1973	58792982657.101
1974	64000788132.1343
1975	94334645030.2106
1976	112901060156.559
1977	121695777395.758
1978	120316266526.046
1979	127057569640.442
1980	120540918753.186
1981	115422863709.283
1982	115770089139.483
1983	114041844990.112
1984	116443344390.976
1985	114342157900.389
1986	118383491475.353
1987	105230043729.502
1988	104422244737.095
1989	102385570237.532
1990	99977880970.7664
1991	104746652472.519
1992	111359933671.281
1993	112566879703.569
1994	123261512623.118
1995	125916483922.71
1996	125796721400.975
1997	128501015512.255
1998	128658546315.292
1999	133877289732.496
2000	132378904855.356
2001	141688398800.204
2002	147288004884.429
2003	151579107676.103
2004	155497533704.063
2005	165115894111.645
2006	173711460248.144
2007	170967021120.104
2008	178046732840.053
2009	187046253053.927
2010	187878043545.195
2011	192141495433.943
2012	198346466972.41
2013	199068456085.52
2014	206445743719.118
2015	215873144720.639
2016	221527800218.244
2017	227673404795.641