Year	US Dollars
1960	806299987.79297
1961	834690002.44141
1962	961539978.02734
1963	933719970.70312
1964	1023700012.20703
1965	1122439941.40625
1966	696710021.97266
1967	683780029.29688
1968	555750000
1969	600150024.41406
1970	615049987.79297
1971	685739990.23438
1972	685270019.53125
1973	662619995.11719
1974	760280029.29688
1975	934020019.53125
1976	687950012.20703
1977	840289978.02734
1978	864710021.97266
1979	1015030029.29688
1980	962320007.32422
1981	981750000
1982	911849975.58594
1983	858380004.88281
1984	869229980.46875
1985	844330017.08984
1986	928710021.97266
1987	1230069946.28906
1988	964150024.41406
1989	1243670043.94531
1990	1332170043.94531
1991	701239990.23438
1992	379649993.89648
1993	255460006.71387
1994	332279998.7793
1995	236639999.38965
1996	210080001.83105
1997	221389999.38965
1998	181699996.94824
1999	195919998.16895
2000	282220001.2207
2001	396529998.7793
2002	1736849975.58594
2003	7084160156.25
2004	2211610107.42188
2005	2107139892.57813
2006	2530020019.53125
2007	1363189941.40625
2008	1706680053.71094
2009	2384070068.35938
2010	3480169921.875
2011	5346370117.1875
2012	2790800048.82813
2013	2489389892.57813
2014	2308399902.34375
2015	2769929931.64063
2016	2254199951.17188
2017	2416800048.82813
2018	2539409912.10938
2019	2884840087.89063
2020	3382090087.89063
2021	3341090087.89063