Year	US Dollars
1960	219999.99881
1961	1789999.96185
1962	30360000.61035
1963	50659999.84741
1964	144309997.55859
1965	121459999.08447
1966	180149993.89648
1967	136520004.27246
1968	150850006.10352
1969	115019996.64307
1970	103779998.7793
1971	109269996.64307
1972	128100006.10352
1973	124989997.86377
1974	165130004.88281
1975	198179992.67578
1976	261059997.55859
1977	158100006.10352
1978	228440002.44141
1979	220970001.2207
1980	198750000
1981	193520004.27246
1982	229970001.2207
1983	278350006.10352
1984	273619995.11719
1985	198179992.67578
1986	220660003.66211
1987	239889999.38965
1988	146539993.28613
1989	156580001.83105
1990	313390014.64844
1991	191979995.72754
1992	155039993.28613
1993	172440002.44141
1994	494369995.11719
1995	156059997.55859
1996	558260009.76562
1997	370989990.23438
1998	88949996.94824
1999	209000000
2000	50590000.15259
2001	113279998.7793
2002	86699996.94824
2003	87870002.74658
2004	132610000.61035
2005	1584229980.46875
2006	280859985.35156
2007	117709999.08447
2008	438799987.79297
2009	268149993.89648
2010	1273410034.17969
2011	243720001.2207
2012	137259994.50684
2013	143800003.05176
2014	100349998.47412
2015	95809997.55859
2016	93610000.61035
2017	112730003.35693
2018	147300003.05176
2019	182830001.83105
2020	215259994.50684
2021	184589996.33789