Year	US Dollars
1960	830320007.32422
1961	1130520019.53125
1962	1419829956.05469
1963	810770019.53125
1964	511869995.11719
1965	381130004.88281
1966	709820007.32422
1967	1863439941.40625
1968	2382729980.46875
1969	2240320068.35938
1970	3097219970.70313
1971	3596629882.8125
1972	2716360107.42188
1973	2786879882.8125
1974	2718270019.53125
1975	2531949951.17188
1976	2333070068.35938
1977	1626130004.88281
1978	1709849975.58594
1979	1839930053.71094
1980	2213929931.64063
1981	2323979980.46875
1982	2232360107.42188
1983	1823630004.88281
1984	1704239990.23438
1985	1535500000
1986	1446239990.23438
1987	1902810058.59375
1988	2194469970.70313
1989	2551409912.10938
1990	2241860107.42188
1991	2335209960.9375
1992	2253040039.0625
1993	2157669921.875
1994	1648709960.9375
1995	1231160034.17969
1996	1040400024.41406
1997	933799987.79297
1998	1564500000
1999	2371719970.70313
2000	2006810058.59375
2001	1896359985.35156
2002	1759609985.35156
2003	2004750000
2004	209669998.16895
2005	2714639892.57813
2006	1403650024.41406
2007	763599975.58594
2008	1137189941.40625
2009	1005590026.85547
2010	1282670043.94531
2011	380890014.64844
2012	114620002.74658
2013	-17319999.69482
2014	-500109985.35156
2015	-126339996.33789
2016	-74349998.47412
2017	256230010.98633
2018	906770019.53125
2019	-729460021.97266
2020	1209829956.05469
2021	519750000