Year	US Dollars
1992	19350000.38147
1993	41189998.62671
1994	98300003.05176
1995	87459999.08447
1996	138429992.67578
1997	123089996.33789
1998	228220001.2207
1999	160600006.10352
2000	166080001.83105
2001	248820007.32422
2002	215660003.66211
2003	177199996.94824
2004	276429992.67578
2005	265089996.33789
2006	234039993.28613
2007	204320007.32422
2008	235449996.94824
2009	299320007.32422
2010	387420013.42773
2011	262709991.45508
2012	376619995.11719
2013	372649993.89648
2014	339179992.67578
2015	460350006.10352
2016	385040008.54492
2017	343260009.76562
2018	407940002.44141
2019	370230010.98633
2020	768030029.29688
2021	519619995.11719