Year	US Dollars
1960	5750000
1961	14689999.58038
1962	25040000.91553
1963	49900001.52588
1964	23899999.61853
1965	37119998.93188
1966	28180000.30518
1967	23959999.08447
1968	45580001.83105
1969	27440000.53406
1970	9760000.22888
1971	21530000.68665
1972	27989999.77112
1973	32849998.47412
1974	46580001.83105
1975	32740001.67847
1976	43139999.38965
1977	75589996.33789
1978	104180000.30518
1979	90160003.66211
1980	125089996.33789
1981	171119995.11719
1982	117540000.91553
1983	102379997.25342
1984	136119995.11719
1985	125260002.13623
1986	220759994.50684
1987	189240005.49316
1988	144759994.50684
1989	174889999.38965
1990	149360000.61035
1991	148820007.32422
1992	152199996.94824
1993	120019996.64307
1994	92379997.25342
1995	57380001.06812
1996	47119998.93188
1997	54310001.37329
1998	55189998.62671
1999	47110000.61035
2000	72239997.86377
2001	78510002.13623
2002	91069999.69482
2003	78919998.16895
2004	71800003.05176
2005	68949996.94824
2006	82709999.08447
2007	97830001.83105
2008	93500000
2009	124449996.94824
2010	118800003.05176
2011	124989997.86377
2012	133259994.50684
2013	106860000.61035
2014	94199996.94824
2015	115730003.35693
2016	98059997.55859
2017	300140014.64844
2018	235610000.61035
2019	196050003.05176
2020	300709991.45508
2021	230979995.72754