Year	constant 2010 US$
1961	5997001698.0639
1962	6474701583.72364
1963	6866243409.57156
1964	7474182222.8538
1965	8104397196.60722
1966	8991907716.96691
1967	9970290828.45506
1968	11174853579.8596
1969	12856409037.2263
1970	14243306287.3023
1971	14694722660.8717
1972	16016323652.2121
1973	17399802867.0836
1974	16817204659.6284
1975	17028533525.8973
1976	21317342664.6553
1977	22183402067.5243
1978	24901447234.8569
1979	28892415857.6855
1980	32574936269.1222
1981	36745057081.9835
1982	36357169017.906
1983	40436299376.356
1984	47653068189.3206
1985	50105685243.5257
1986	56671259418.3778
1987	71766481514.5992
1988	86024756438.8319
1989	91652138881.6703
1990	97872845090.7093
1991	110999278909.097
1992	130265682587.726
1993	145910383308.903
1994	159316270971.085
1995	175008470595.277
1996	186014426090.718
1997	197627377493.177
1998	186909008408.052
1999	192947497981.703
2000	225513358778.04
2001	223149021322.74
2002	242264206409.387
2003	273965186435.685
2004	318103571528.441
2005	356805159106.835
2006	393115182811.575
2007	425166806104.549
2008	440051760104.047
2009	399320802520.401
2010	469444859187.561
2011	492006484529.964
2012	507779538366.237
2013	547518676424.143
2014	552826767233.561
2015	545203134367.969
2016	548974759421.291
2017	581231700553.105
2018	603071649014.211