Year	current US$
1960	85116400000
1961	89586090000
1962	96306280000
1963	105692550000
1964	119055230000
1965	130587890000
1966	146057820000
1967	153398500000
1968	174296470000
1969	201006655000
1970	235465414000
1971	261944863000
1972	311074282000
1973	428937244000
1974	613165317000
1975	618528885000
1976	707128723000
1977	801009067000
1978	925175628000
1979	1182164167000
1980	1419914157000
1981	1365418928000
1982	1270151851000
1983	1249069281000
1984	1366140505000
1985	1422173218167
1986	1581825834279
1987	1864961238700
1988	2121312284562
1989	2294881082259
1990	2632092124206
1991	2694705687822
1992	2827286900454.8
1993	2709523386258.5
1994	3085766373145
1995	3639759108476
1996	3820461773424
1997	4135271631735
1998	4193758362932
1999	4474326374080
2000	5021765490205
2001	4837634236627
2002	4996504526001
2003	5780340991140
2004	6894001553070
2005	7713227060274
2006	8763608680360
2007	9900198252377
2008	11121519579008
2009	8374852692130
2010	9874258398583
2011	11583924325079
2012	11459760674060
2013	11479568058854
2014	11616431467302
2015	10280239608358
2016	10129564494507
2017	11085969164702
2018	12153854812486
2019	11804544911922
2020	10906702668098