Year	current US$
1960	336380000
1961	565390000
1962	388390000
1963	598900000
1964	770930000
1965	775710000
1966	825050000
1967	1110000000
1968	662830000
1969	867500000
1970	1376580000
1971	1796972261.10523
1972	2232310082.11097
1973	3318647145.60546
1974	3537969196.99908
1975	4068715695.50316
1976	3490582114.07743
1977	3956110734.95106
1978	3965630242.22704
1979	5443055500.93802
1980	7822671608.36884
1981	4952010593.36664
1982	3927195703.5103
1983	4713507198.80386
1984	4564214039.49873
1985	4848635325.13181
1986	5537660880.94626
1987	9620118131.90711
1988	9332523664.0605
1989	10765506347.4124
1990	12151444864.9187
1991	12180231615.3857
1992	13801404911.5184
1993	11414708988.851
1994	13876355602.8222
1995	16176815580.7399
1996	16952814072.4039
1997	16190045054.1859
1998	18271555652.8657
1999	10937746162.3449
2000	9994359072.00129
2001	11266180657.335
2002	11855155242.2018
2003	10989407121.3605
2004	10361106128.097
2005	8241223512.59184
2006	8783357104.33208
2007	10383928739.2755
2008	9318426731.36497
2009	15906611812.7944
2010	16499236929.1966
2011	17918063148.2487
2012	18600107403.7022
2013	18138871032.3354
2014	16626119272.9201
2015	16352191039.0629
2016	15103247247.456
2017	16672726084.4711
2018	17486655858.9529
2019	17835333952.2765
2020	19470395464.694
2021	28565620053.497
2022	28023456895.1949
2023	25734573231.4112