Year	US Dollars
1960	159999.99642
1961	43240001.67847
1962	680000.00715
1963	1690000.05722
1964	-500000
1966	70599998.47412
1967	184029998.7793
1968	140000.0006
1969	419999.98689
1970	779999.97139
1971	1120000.00477
1972	1120000.00477
1973	750000
1974	3269999.98093
1975	67269996.64307
1976	233619995.11719
1977	246860000.61035
1978	296470001.2207
1979	355829986.57227
1980	371890014.64844
1981	339619995.11719
1982	517659973.14453
1983	547340026.85547
1984	705210021.97266
1985	790599975.58594
1986	892710021.97266
1987	1231510009.76563
1988	1582959960.9375
1989	1375880004.88281
1990	1493239990.23438
1991	1579810058.59375
1992	2030300048.82813
1993	1773130004.88281
1994	1720079956.05469
1995	1371619995.11719
1996	1163430053.71094
1997	1345280029.29688
1998	1498719970.70313
1999	1173469970.70313
2000	1408800048.82813
2001	1496689941.40625
2002	3353080078.125
2003	1344079956.05469
2004	1450199951.17188
2005	1454800048.82813
2006	1792089965.82031
2007	1778140014.64844
2008	1898349975.58594
2009	2003319946.28906
2010	1936839965.82031
2011	1959790039.0625
2012	2015969970.70313
2013	2244270019.53125
2014	2020630004.88281
2015	1937739990.23438
2016	1634900024.41406
2017	1893750000
2018	1842770019.53125
2019	1884489990.23438
2020	2555729980.46875
2021	2126689941.40625