Year	US Dollars
1960	408470001.2207
1961	779429992.67578
1962	584609985.35156
1963	685549987.79297
1964	729119995.11719
1965	725030029.29688
1966	652630004.88281
1967	393619995.11719
1968	558580017.08984
1969	491820007.32422
1970	525750000
1971	756059997.55859
1972	525710021.97266
1973	427500000
1974	480209991.45508
1975	954830017.08984
1976	889250000
1977	1982680053.71094
1978	1208750000
1979	1340959960.9375
1980	2691370117.1875
1981	2531760009.76563
1982	2119280029.29688
1983	1145300048.82813
1984	880669982.91016
1985	2208889892.57813
1986	889969970.70312
1987	760940002.44141
1988	818130004.88281
1989	854640014.64844
1990	1839040039.0625
1991	2225879882.8125
1992	1274920043.94531
1993	1119479980.46875
1994	931640014.64844
1995	622969970.70312
1996	804820007.32422
1997	653630004.88281
1998	744500000
1999	964679992.67578
2000	655859985.35156
2001	766229980.46875
2002	549750000
2003	730280029.29688
2004	882780029.29688
2005	827989990.23438
2006	1198130004.88281
2007	1210250000
2008	1361050048.82813
2009	975190002.44141
2010	951489990.23438
2011	1348319946.28906
2012	1442849975.58594
2013	1931650024.41406
2014	2108560058.59375
2015	1654619995.11719
2016	2239929931.64063
2017	2569000000
2018	821400024.41406
2019	777789978.02734
2020	1828430053.71094
2021	927070007.32422