Year	US Dollars
1960	3869999.88556
1961	68839996.33789
1962	84529998.7793
1963	72889999.38965
1964	219309997.55859
1965	249800003.05176
1966	361010009.76562
1967	275970001.2207
1968	349920013.42773
1969	257059997.55859
1970	396940002.44141
1971	301679992.67578
1972	348769989.01367
1973	286130004.88281
1974	264510009.76562
1975	398769989.01367
1976	488299987.79297
1977	607820007.32422
1978	506670013.42773
1979	684270019.53125
1980	593520019.53125
1981	481890014.64844
1982	545640014.64844
1983	332739990.23438
1984	507470001.2207
1985	418809997.55859
1986	471459991.45508
1987	365450012.20703
1988	479309997.55859
1989	815000000
1990	673690002.44141
1991	772830017.08984
1992	976070007.32422
1993	764469970.70312
1994	1001900024.41406
1995	545700012.20703
1996	513599975.58594
1997	693200012.20703
1998	706409973.14453
1999	608770019.53125
2000	583010009.76562
2001	743059997.55859
2002	922219970.70312
2003	1128709960.9375
2004	906219970.70312
2005	475149993.89648
2006	1884609985.35156
2007	1932449951.17188
2008	523140014.64844
2009	638400024.41406
2010	532330017.08984
2011	570039978.02734
2012	585109985.35156
2013	719419982.91016
2014	808549987.79297
2015	718630004.88281
2016	816450012.20703
2017	1281910034.17969
2018	1173270019.53125
2019	1339239990.23438
2020	1399839965.82031
2021	1067880004.88281