Year	US Dollars
1960	1070000.05245
1961	2079999.92371
1962	110660003.66211
1963	90849998.47412
1964	439839996.33789
1965	365709991.45508
1966	327649993.89648
1967	343630004.88281
1968	347220001.2207
1969	352350006.10352
1970	280880004.88281
1971	331010009.76562
1972	258459991.45508
1973	383559997.55859
1974	594590026.85547
1975	502880004.88281
1976	422700012.20703
1977	395760009.76562
1978	619489990.23438
1979	794159973.14453
1980	593830017.08984
1981	979869995.11719
1982	732260009.76562
1983	828380004.88281
1984	950090026.85547
1985	757219970.70312
1986	1234040039.0625
1987	1206130004.88281
1988	1014400024.41406
1989	1193209960.9375
1990	1205540039.0625
1991	913440002.44141
1992	892340026.85547
1993	702099975.58594
1994	849119995.11719
1995	781190002.44141
1996	720809997.55859
1997	590440002.44141
1998	701369995.11719
1999	754619995.11719
2000	653489990.23438
2001	658619995.11719
2002	657380004.88281
2003	587289978.02734
2004	1225069946.28906
2005	795280029.29688
2006	957510009.76562
2007	871619995.11719
2008	1018580017.08984
2009	1000859985.35156
2010	930169982.91016
2011	986989990.23438
2012	1045650024.41406
2013	968140014.64844
2014	1081130004.88281
2015	936080017.08984
2016	785020019.53125
2017	955460021.97266
2018	1005669982.91016
2019	1479579956.05469
2020	1611469970.70313
2021	1305609985.35156