Year	US Dollars
1960	-49090000.15259
1961	353690002.44141
1962	335920013.42773
1963	473200012.20703
1964	284179992.67578
1965	257119995.11719
1966	523159973.14453
1967	587150024.41406
1968	694710021.97266
1969	594419982.91016
1970	734080017.08984
1971	545469970.70312
1972	519530029.29688
1973	588599975.58594
1974	366519989.01367
1975	266429992.67578
1976	244100006.10352
1977	130289993.28613
1978	163059997.55859
1979	94389999.38965
1980	89639999.38965
1981	133710006.71387
1982	167979995.72754
1983	119309997.55859
1984	140410003.66211
1985	154589996.33789
1986	111000000
1987	143970001.2207
1988	132009994.50684
1989	124760002.13623
1990	143710006.71387
1991	188059997.55859
1992	333769989.01367
1993	157500000
1994	115550003.05176
1995	223669998.16895
1996	241750000
1997	261890014.64844
1998	253820007.32422
1999	461279998.7793
2000	307480010.98633
2001	595770019.53125
2002	664099975.58594
2003	1113290039.0625
2004	691119995.11719
2005	802549987.79297
2006	1213930053.71094
2007	823119995.11719
2008	1074969970.70313
2009	1161770019.53125
2010	694390014.64844
2011	1038959960.9375
2012	782150024.41406
2013	846070007.32422
2014	1183930053.71094
2015	1463140014.64844
2016	1191599975.58594
2017	885109985.35156
2018	1782989990.23438
2019	882539978.02734
2020	1868910034.17969
2021	1805920043.94531