Year	current US$
1960	18389999.3896484
1961	16200000.7629395
1962	24979999.5422363
1963	2710000.03814697
1964	4699999.80926514
1965	3269999.98092651
1966	20290000.915527303
1967	5809999.94277954
1968	5219999.79019165
1969	10989999.7711182
1970	21840000.1525879
1971	21680000.3051758
1972	54549999.237060495
1973	425779998.779297
1974	771500000
1975	827479980.46875
1976	795520019.53125
1977	1033319946.28906
1978	919900024.414063
1979	2054879882.8125
1980	1912839965.82031
1981	1810650024.41406
1982	1155910034.17969
1983	890969970.703125
1984	643979980.46875
1985	609979980.46875
1986	727090026.855469
1987	792140014.648438
1988	190029998.779297
1989	124620002.746582
1990	882820007.324219
1991	535489990.234375
1992	196740005.493164
1993	258579986.572266
1994	744020019.53125
1995	355970001.220703
1996	215990005.493164
1997	198110000.61035198
1998	156020004.272461
1999	229369995.117188
2000	159759994.506836
2001	153679992.67578098
2002	62819999.6948242
2003	118389999.38964799
2004	106510002.13623
2005	71099998.4741211
2006	19920000.0762939
2007	85660003.6621094
2008	159199996.94824198
2009	121669998.168945
2010	131059997.558594
2011	335519989.013672
2012	1671550048.82813
2013	3637699951.17188
2014	4174310058.59375
2015	4920470214.84375
2016	8899740234.375
2017	10415780273.4375
2018	9990870117.1875
2019	10124990234.375
2020	10035040039.0625
2021	9690519531.25
2022	8277419921.875