Year	current US$
1960	6942141000
1961	7061916000
1962	6740967000
1963	7595569000
1964	9756493000
1965	10172892000
1966	10828252000
1967	11251994000
1968	12127956000
1969	11036884000
1970	12676063000
1971	13304267000
1972	16327663000
1973	24096818000
1974	42322898000
1975	38722256000
1976	46063549000
1977	54180653000
1978	55195308000
1979	76493099173.1
1980	78221378687.6
1981	107959647111.37302
1982	103117740488.66399
1983	103456617161.30598
1984	104034269829.12297
1985	98330816069.662
1986	77844607151.29701
1987	91225695491.059
1988	99295796995.29599
1989	112627815887.97398
1990	135770623167.981
1991	138001317273.83398
1992	156810055037.069
1993	161841071178.60403
1994	183646277647.30804
1995	214768173167.99103
1996	241704109815.939
1997	253322767737.47202
1998	233282614019.731
1999	264585055128.70996
2000	338503711512
2001	311668750511
2002	330833630588
2003	388290098833
2004	472606910451
2005	580068981210
2006	697933650119
2007	824381110352
2008	1045279558855
2009	797044173701
2010	1035619135536
2011	1347161960382
2012	1307999782522
2013	1303821847679
2014	1310582726375
2015	1090924788211
2016	1054922429813
2017	1238714911878
2018	1369401946289
2019	1355270347888
2020	1228495192181