Year	current US$
1960	711290000
1961	893530000
1962	1032599999.9999999
1963	1119630000
1964	1282350000
1965	1182790000
1966	1334630000
1967	1700940000
1968	1770080000
1969	1914760000
1970	2156450000
1971	2313040000
1972	2887700000
1973	3820300000
1974	5654430000
1975	5873530000
1976	6704870000
1977	7719540000
1978	9800610000
1979	12006980000
1980	14520560000
1981	12075860000
1982	9155750000
1983	8305780000.000001
1984	8312809999.999999
1985	9520890000
1986	9246312597
1987	10048515491
1988	9419482031
1989	9950722164
1990	10293430466
1991	5957084091
1992	6140088888
1993	6521700000
1994	7113000000
1995	10387600000
1996	9963600000
1997	11142000000
1998	11882250000
1999	10600540000
2000	13043983656
2001	15543266623
2002	17910408253
2003	24067776373
2004	32726636882
2005	40350092128
2006	51330511326
2007	70553597541
2008	84316043565
2009	54463925665
2010	62023779118
2011	76522874036
2012	70224398852
2013	73497960241
2014	77747395395
2015	69823860094
2016	74560293343
2017	85485406661
2018	97746972529
2019	96543698231
2020	92123630937
