Year	US Dollars
1960	66970001.2207
1961	182419998.16895
1962	545429992.67578
1963	229419998.16895
1964	103680000.30518
1965	226330001.83105
1966	243960006.71387
1967	155410003.66211
1968	95639999.38965
1969	92360000.61035
1970	71550003.05176
1971	66269996.64307
1972	63409999.84741
1973	47430000.30518
1974	61529998.7793
1975	75129997.25342
1976	95809997.55859
1977	107430000.30518
1978	136699996.94824
1979	208850006.10352
1980	236679992.67578
1981	267589996.33789
1982	261500000
1983	284279998.7793
1984	307910003.66211
1985	210910003.66211
1986	198309997.55859
1987	142130004.88281
1988	110819999.69482
1989	102519996.64307
1990	176279998.7793
1991	241970001.2207
1992	167389999.38965
1993	177550003.05176
1994	93699996.94824
1995	156580001.83105
1996	218059997.55859
1997	107410003.66211
1998	103959999.08447
1999	135100006.10352
2000	100599998.47412
2001	58810001.37329
2002	80720001.2207
2003	138740005.49316
2004	262489990.23438
2005	263380004.88281
2006	296649993.89648
2007	1161160034.17969
2008	1252520019.53125
2009	515210021.97266
2010	1401650024.41406
2011	725780029.29688
2012	559710021.97266
2013	520530029.29688
2014	728280029.29688
2015	1170130004.88281
2016	876119995.11719
2017	661320007.32422
2018	600780029.29688
2019	595200012.20703
2020	652119995.11719
2021	567429992.67578