Year	US Dollars
1991	409999.99642
1992	6039999.96185
1993	45939998.62671
1994	72389999.38965
1995	47869998.93188
1996	99769996.64307
1997	78029998.7793
1998	60400001.52588
1999	83330001.83105
2000	67879997.25342
2001	95480003.35693
2002	77250000
2003	70720001.2207
2004	64779998.7793
2005	70059997.55859
2006	69089996.33789
2007	64419998.16895
2008	62389999.38965
2009	69889999.38965
2010	24559999.46594
2011	94319999.69482
2012	88970001.2207
2013	100339996.33789
2014	60000000
2015	62049999.23706
2016	13260000.22888
2017	75580001.83105
2018	55849998.47412
2019	67129997.25342
2020	183070007.32422
2021	102489997.86377