Year	US Dollars
1975	39999.99911
1977	29999.99933
1979	50000.00075
1980	79999.99821
1981	59999.99866
1982	50000.00075
1983	70000.0003
1984	70000.0003
1985	140000.0006
1986	109999.9994
1987	140000.0006
1988	340000.00358
1989	90000.00358
1990	280000.00119
1991	629999.99523
1992	639999.98569
1993	680000.00715
1994	16079999.92371
1995	3930000.06676
1996	4800000.19073
1997	4150000.09537
1998	3990000.00954
1999	8289999.96185
2000	5619999.88556
2001	15939999.58038
2002	23760000.22888
2003	26700000.76294
2004	19340000.15259
2005	11640000.34332
2006	21989999.77112
2007	27819999.69482
2008	31899999.61853
2009	25159999.84741
2010	24879999.16077
2011	28520000.45776
2012	27620000.83923
2013	23340000.15259
2014	19790000.91553
2015	32459999.08447
2016	23450000.76294
2017	24940000.53406
2018	36639999.38965
2019	55299999.23706
2020	28250000
2021	30299999.23706