Year	US Dollars
1992	9999.99978
1993	9999.99978
1994	320339996.33789
1995	217440002.44141
1996	95169998.16895
1997	51540000.91553
1998	130399993.89648
1999	36740001.67847
2000	44409999.84741
2001	44049999.23706
2002	39490001.67847
2003	32040000.91553
2004	24899999.61853
2005	27989999.77112
2006	45279998.7793
2007	26229999.54224
2008	47240001.67847
2009	39529998.7793
2010	30299999.23706
2011	26159999.84741
2012	12250000
2013	35529998.7793
2014	24350000.38147
2015	15109999.65668
2016	18600000.38147
2017	23340000.15259
2018	87199996.94824
2019	25579999.92371
2020	66239997.86377
2021	48650001.52588