Year	US Dollars
1960	1639999.98569
1961	13750000
1962	40200000.76294
1963	36599998.47412
1964	122349998.47412
1965	134770004.27246
1966	128630004.88281
1967	137520004.27246
1968	158440002.44141
1969	162649993.89648
1970	147460006.71387
1971	178979995.72754
1972	188880004.88281
1973	278130004.88281
1974	428130004.88281
1975	325760009.76562
1976	285929992.67578
1977	369279998.7793
1978	455660003.66211
1979	497779998.7793
1980	481690002.44141
1981	537270019.53125
1982	544049987.79297
1983	470600006.10352
1984	489119995.11719
1985	489769989.01367
1986	575770019.53125
1987	487239990.23438
1988	496320007.32422
1989	469339996.33789
1990	493350006.10352
1991	626039978.02734
1992	600309997.55859
1993	678929992.67578
1994	604849975.58594
1995	609809997.55859
1996	532770019.53125
1997	525219970.70312
1998	570020019.53125
1999	569760009.76562
2000	310790008.54492
2001	622070007.32422
2002	672190002.44141
2003	699510009.76562
2004	759489990.23438
2005	801059997.55859
2006	999719970.70312
2007	953719970.70312
2008	949849975.58594
2009	1070890014.64844
2010	1035640014.64844
2011	914830017.08984
2012	1124520019.53125
2013	1011270019.53125
2014	1088270019.53125
2015	1074560058.59375
2016	1107189941.40625
2017	938859985.35156
2018	1194079956.05469
2019	1141239990.23438
2020	1730829956.05469
2021	1501150024.41406