Year	US Dollars
1960	80239997.86377
1961	92029998.7793
1962	77839996.33789
1963	55549999.23706
1964	43130001.06812
1965	52729999.54224
1966	66379997.25342
1967	75690002.44141
1968	103379997.25342
1969	116379997.25342
1970	107239997.86377
1971	92080001.83105
1972	65110000.61035
1973	36049999.23706
1974	49590000.15259
1975	38729999.54224
1976	78599998.47412
1977	37560001.37329
1978	84360000.61035
1979	79790000.91553
1980	65150001.52588
1981	128000000
1982	62830001.83105
1983	38069999.69482
1984	25120000.83923
1985	26870000.83923
1986	50830001.83105
1987	45729999.54224
1988	39869998.93188
1989	67690002.44141
1990	243460006.71387
1991	184520004.27246
1992	97120002.74658
1993	129660003.66211
1994	96400001.52588
1995	88760002.13623
1996	114750000
1997	313019989.01367
1998	102639999.38965
1999	78540000.91553
2000	90970001.2207
2001	93169998.16895
2002	66790000.91553
2003	75680000.30518
2004	116989997.86377
2005	116480003.35693
2006	145380004.88281
2007	82360000.61035
2008	119370002.74658
2009	112660003.66211
2010	100779998.7793
2011	90470001.2207
2012	112500000
2013	97860000.61035
2014	129070007.32422
2015	33110000.61035
2016	75440002.44141
2017	53279998.7793
2018	104300003.05176
2019	108589996.33789
2020	51979999.54224
2021	130300003.05176