Year	US Dollars
1960	300000.01192
1961	4130000.11444
1962	10729999.54224
1963	18969999.31335
1964	138470001.2207
1965	123459999.08447
1966	116550003.05176
1967	146880004.88281
1968	121510002.13623
1969	132889999.38965
1970	97029998.7793
1971	96449996.94824
1972	141380004.88281
1973	121949996.94824
1974	163889999.38965
1975	198259994.50684
1976	140589996.33789
1977	147869995.11719
1978	143179992.67578
1979	203039993.28613
1980	237779998.7793
1981	246130004.88281
1982	227880004.88281
1983	245610000.61035
1984	361809997.55859
1985	282779998.7793
1986	277890014.64844
1987	317679992.67578
1988	341339996.33789
1989	321690002.44141
1990	370059997.55859
1991	250800003.05176
1992	236410003.66211
1993	235199996.94824
1994	225940002.44141
1995	183410003.66211
1996	201389999.38965
1997	119230003.35693
1998	164899993.89648
1999	162399993.89648
2000	104709999.08447
2001	115129997.25342
2002	85489997.86377
2003	65050003.05176
2004	128320007.32422
2005	102620002.74658
2006	148589996.33789
2007	180570007.32422
2008	256200012.20703
2009	240500000
2010	261410003.66211
2011	245580001.83105
2012	220429992.67578
2013	192470001.2207
2014	577140014.64844
2015	523409973.14453
2016	544710021.97266
2017	538760009.76562
2018	643780029.29688
2019	695200012.20703
2020	832219970.70312
2021	616090026.85547