Year	US Dollars
1960	75849998.47412
1961	71779998.7793
1962	103190002.44141
1963	64860000.61035
1964	65919998.16895
1965	68529998.7793
1966	96309997.55859
1967	106239997.86377
1968	123989997.86377
1969	131669998.16894
1970	153899993.89648
1971	165929992.67578
1972	174250000
1973	192649993.89648
1974	201360000.61035
1975	334859985.35156
1976	282339996.33789
1977	309510009.76562
1978	353179992.67578
1979	367119995.11719
1980	356619995.11719
1981	393500000
1982	403140014.64844
1983	394950012.20703
1984	450089996.33789
1985	488119995.11719
1986	442970001.2207
1987	439239990.23438
1988	428750000
1989	395140014.64844
1990	442609985.35156
1991	543750000
1992	487329986.57227
1993	513320007.32422
1994	1042949951.17188
1995	904659973.14453
1996	613869995.11719
1997	335209991.45508
1998	500309997.55859
1999	529650024.41406
2000	488450012.20703
2001	473899993.89648
2002	528320007.32422
2003	433809997.55859
2004	573820007.32422
2005	648500000
2006	665309997.55859
2007	792750000
2008	915830017.08984
2009	950789978.02734
2010	1049109985.35156
2011	1222729980.46875
2012	872919982.91016
2013	1058579956.05469
2014	1000099975.58594
2015	1151430053.71094
2016	1235500000
2017	1299229980.46875
2018	1131469970.70313
2019	1200819946.28906
2020	1624619995.11719
2021	1245579956.05469