Year	US Dollars
2001	44678364.79387
2002	55788559.54353
2003	39336290.5628
2004	43935794.09968
2005	43982029.94203
2006	44659880.12158
2007	52609786.70474
2008	52836593.42723
2009	54721483.87829
2010	49303636.86961
2011	50436773.52136
2012	43427413.65375
2013	54431735.62322
2014	48385886.55348
2015	62817008.94409
2016	63420927.43938
2017	64697143.341