Year	US Dollars
1960	355339996.33789
1961	667369995.11719
1962	496839996.33789
1963	650940002.44141
1964	485040008.54492
1965	617849975.58594
1966	556119995.11719
1967	626280029.29688
1968	435290008.54492
1969	708659973.14453
1970	688570007.32422
1971	613200012.20703
1972	579890014.64844
1973	612530029.29688
1974	728570007.32422
1975	762049987.79297
1976	771809997.55859
1977	785429992.67578
1978	875419982.91016
1979	500140014.64844
1980	529669982.91016
1981	603700012.20703
1982	529039978.02734
1983	539869995.11719
1984	479250000
1985	446720001.2207
1986	466260009.76562
1987	510869995.11719
1988	533830017.08984
1989	474989990.23438
1990	577520019.53125
1991	506589996.33789
1992	518109985.35156
1993	352429992.67578
1994	150080001.83105
1995	94069999.69482
1996	160759994.50684
1997	272079986.57227
1998	204309997.55859
1999	359250000
2000	320690002.44141
2001	569070007.32422
2002	314540008.54492
2003	363540008.54492
2004	367489990.23438
2005	399350006.10352
2006	469399993.89648
2007	316290008.54492
2008	346320007.32422
2009	453679992.67578
2010	523469970.70312
2011	839020019.53125
2012	1002849975.58594
2013	660890014.64844
2014	800940002.44141
2015	557849975.58594
2016	717739990.23438
2017	872719970.70312
2018	811619995.11719
2019	1009619995.11719
2020	974929992.67578
2021	1032579956.05469