Year	current US$
1960	1183280000
1961	1409700000
1962	1661800000
1963	1815440000
1964	1824150000
1965	1758390000
1966	2058930000
1967	2391540000
1968	2540480000
1969	2671230000
1970	7013330000
1971	7840500000
1972	10261860000
1973	14401010000
1974	20968750000
1975	24401890000
1976	27088820000
1977	29987980000
1978	32098880000
1979	36415430000
1980	43320010000
1981	41670354700
1982	32604303523
1983	32567270822
1984	34362633258.5
1985	37933901359.2
1986	37308386350.2
1987	41916024470.5
1988	44128336887
1989	42774241289.3
1990	46301340358
1991	47384686055.399994
1992	94104057332.43001
1993	105248505985.50002
1994	126781798062
1995	175471707275.3
1996	191207899269.5
1997	213347716528.1
1998	203739673679.5
1999	176498039834.2
2000	211536359008
2001	210993361375
2002	242733412528
2003	313814442130
2004	409319706969
2005	494599544223
2006	638073025800
2007	860065757869
2008	1094428619834
2009	731251143502
2010	895595151683
2011	1153607963450
2012	1156643431054
2013	1196623932018
2014	1152196232516
2015	910015036408
2016	893285830757
2017	1056707269858
2018	1148535955216
2019	1147549044279
2020	1104988869295