Year	US Dollars
1960	409999.99642
1961	18670000.07629
1962	39540000.91553
1963	37139999.38965
1964	114900001.52588
1965	110349998.47412
1966	164399993.89648
1967	156649993.89648
1968	206009994.50684
1969	219639999.38965
1970	206660003.66211
1971	244850006.10352
1972	235130004.88281
1973	343579986.57227
1974	587219970.70312
1975	501049987.79297
1976	467910003.66211
1977	320239990.23438
1978	448480010.98633
1979	430299987.79297
1980	372869995.11719
1981	474480010.98633
1982	651450012.20703
1983	453700012.20703
1984	429420013.42773
1985	765549987.79297
1986	648229980.46875
1987	640479980.46875
1988	620669982.91016
1989	523619995.11719
1990	582559997.55859
1991	546239990.23438
1992	493100006.10352
1993	483109985.35156
1994	499410003.66211
1995	343070007.32422
1996	321399993.89648
1997	463410003.66211
1998	411160003.66211
1999	265119995.11719
2000	316799987.79297
2001	408799987.79297
2002	440209991.45508
2003	614890014.64844
2004	635289978.02734
2005	597320007.32422
2006	603469970.70312
2007	590369995.11719
2008	589739990.23438
2009	462959991.45508
2010	741549987.79297
2011	613239990.23438
2012	870719970.70312
2013	760200012.20703
2014	875659973.14453
2015	935469970.70312
2016	1022429992.67578
2017	1285959960.9375
2018	1315060058.59375
2019	1479810058.59375
2020	1928699951.17188
2021	1676750000