Year	US Dollars
1960	11489999.77112
1961	10300000.19073
1962	107029998.7793
1963	43209999.08447
1964	32439998.62671
1965	38779998.7793
1966	34689998.62671
1967	23389999.38965
1968	53740001.67847
1969	73059997.55859
1970	53700000.76294
1971	72620002.74658
1972	52240001.67847
1973	81050003.05176
1974	70650001.52588
1975	85459999.08447
1976	108129997.25342
1977	93800003.05176
1978	88739997.86377
1979	91209999.08447
1980	89709999.08447
1981	100419998.16894
1982	88080001.83105
1983	84620002.74658
1984	82620002.74658
1985	86769996.64307
1986	94330001.83105
1987	68860000.61035
1988	91830001.83105
1989	70019996.64307
1990	80720001.2207
1991	70900001.52588
1992	97910003.66211
1993	89540000.91553
1994	56830001.83105
1995	57400001.52588
1996	59419998.16895
1997	60979999.54224
1998	55000000
1999	48020000.45776
2000	42150001.52588
2001	41180000.30518
2002	50000000
2003	65739997.86377
2004	78279998.7793
2005	77529998.7793
2006	66279998.7793
2007	53669998.16895
2008	45869998.93188
2009	66470001.2207
2010	69389999.38965
2011	61130001.06812
2012	86580001.83105
2013	79449996.94824
2014	84349998.47412
2015	108279998.7793
2016	121940002.44141
2017	147889999.38965
2018	118839996.33789
2019	130809997.55859
2020	193660003.66211
2021	563659973.14453