Year	US Dollars
1960	939999.99762
1961	21649999.61853
1962	35990001.67847
1963	52330001.83105
1964	109330001.83106
1965	97220001.2207
1966	83150001.52588
1967	95309997.55859
1968	131289993.28613
1969	114949996.94824
1970	115099998.47412
1971	115769996.64307
1972	118889999.38965
1973	122459999.08447
1974	167639999.38965
1975	153330001.83105
1976	161470001.2207
1977	211419998.16895
1978	288369995.11719
1979	276920013.42773
1980	206259994.50684
1981	155550003.05176
1982	195139999.38965
1983	290320007.32422
1984	299940002.44141
1985	291820007.32422
1986	349640014.64844
1987	217759994.50684
1988	342600006.10352
1989	335950012.20703
1990	384510009.76562
1991	290000000
1992	307149993.89648
1993	134490005.49316
1994	169580001.83105
1995	235220001.2207
1996	185729995.72754
1997	162529998.7793
1998	175720001.2207
1999	97319999.69482
2000	104650001.52588
2001	72389999.38965
2002	77430000.30518
2003	64699996.94824
2004	76040000.91553
2005	93500000
2006	87559997.55859
2007	122970001.2207
2008	306899993.89648
2009	503339996.33789
2010	391220001.2207
2011	503940002.44141
2012	233440002.44141
2013	215809997.55859
2014	200479995.72754
2015	216300003.05176
2016	181729995.72754
2017	364119995.11719
2018	339750000
2019	415649993.89648
2020	561130004.88281
2021	320350006.10352