Year	US Dollars
1960	301940002.44141
1961	202440002.44141
1962	273239990.23438
1963	257940002.44141
1964	225660003.66211
1965	363510009.76562
1966	310540008.54492
1967	389029998.7793
1968	405839996.33789
1969	431609985.35156
1970	478209991.45508
1971	365750000
1972	291609985.35156
1973	284940002.44141
1974	304220001.2207
1975	325899993.89648
1976	606900024.41406
1977	428250000
1978	688789978.02734
1979	953289978.02734
1980	969510009.76562
1981	940059997.55859
1982	944549987.79297
1983	993609985.35156
1984	1084660034.17969
1985	1080859985.35156
1986	832750000
1987	709599975.58594
1988	726159973.14453
1989	950080017.08984
1990	1102739990.23438
1991	936229980.46875
1992	901630004.88281
1993	681809997.55859
1994	617219970.70312
1995	761570007.32422
1996	829859985.35156
1997	702539978.02734
1998	821489990.23438
1999	1054739990.23438
2000	698450012.20703
2001	347760009.76562
2002	361769989.01367
2003	-949539978.02734
2004	75389999.38965
2005	-145639999.38965
2006	-222789993.28613
2007	-343769989.01367
2008	-591739990.23438
2009	-8430000.30518
2010	9279999.73297
2011	-100160003.66211
2012	-78949996.94824
2013	31879999.16077
2014	354209991.45508
2015	54950000.76294
2016	238429992.67578
2017	263890014.64844
2018	-444799987.79297
2019	-362720001.2207
2020	197910003.66211
2021	118699996.94824