Year	US Dollars
1960	300000.01192
1961	34040000.91553
1962	54840000.15259
1963	53389999.38965
1964	131029998.7793
1965	139990005.49316
1966	140320007.32422
1967	141210006.71387
1968	146520004.27246
1969	163789993.28613
1970	152600006.10352
1971	191240005.49316
1972	169259994.50684
1973	218750000
1974	345079986.57227
1975	247880004.88281
1976	216770004.27246
1977	277690002.44141
1978	355630004.88281
1979	218720001.2207
1980	82790000.91553
1981	148600006.10352
1982	165869995.11719
1983	237229995.72754
1984	310519989.01367
1985	488579986.57227
1986	344160003.66211
1987	368940002.44141
1988	454570007.32422
1989	439329986.57227
1990	465450012.20703
1991	391040008.54492
1992	330549987.79297
1993	321350006.10352
1994	293350006.10352
1995	289339996.33789
1996	373700012.20703
1997	317510009.76562
1998	245520004.27246
1999	265649993.89648
2000	203850006.10352
2001	302390014.64844
2002	344230010.98633
2003	323799987.79297
2004	394670013.42773
2005	451779998.7793
2006	327510009.76562
2007	381059997.55859
2008	430970001.2207
2009	577669982.91016
2010	507890014.64844
2011	444570007.32422
2012	473549987.79297
2013	450440002.44141
2014	375820007.32422
2015	654570007.32422
2016	671690002.44141
2017	683890014.64844
2018	881979980.46875
2019	661340026.85547
2020	1037010009.76563
2021	684869995.11719