Year	constant 2010 US$
1960	36730211632.5192
1961	38829966248.9796
1962	40230437385.0034
1963	38820259121.9387
1964	39796762161.2713
1965	39344235828.3516
1966	40144935780.729
1967	42746785529.4753
1968	46833441190.4766
1969	49482955563.4274
1970	51577923448.3245
1971	54073234736.0054
1972	57186658856.7566
1973	60829154281.6007
1974	67221124464.7712
1975	71952823631.2674
1976	76529907083.1641
1977	82649166528.7837
1978	89667944229.8092
1979	101845548458.609
1980	114507216366.771
1981	132507044060.65
1982	137892338135.664
1983	146498605900.568
1984	122306016622.948
1985	126681046009.065
1986	131082297008.46
1987	137508129425.247
1988	147496744460.143
1989	159213880486.287
1990	183581309250.957
1991	197602262765.637
1992	209755914761.5
1993	224142532001.34
1994	239898451462.869
1995	267042990300.99
1996	289895083571.671
1997	309890506987.065
1998	287599819065.742
1999	299774935081.587
2000	309424889874.424
2001	321515325108.089
2002	336943167447.783
2003	352405129353.46
2004	369499249468.89
2005	385278832766.905
2006	400504414464.248
2007	419988230903.779
2008	445101549112.615
2009	473066778220.473
2010	492495749766.153
2011	517727861206.783
2012	545576327311.244
2013	576413335986.401
2014	603570960500.567
2015	633174290018.984
2016	660691803502.774
2017	691188832814.866
2018	726350276350.26