Year	US Dollars
1993	85849509424.948
1994	89893008900.2459
1995	91661519269.27089
1996	92898682420.00327
1997	95878773794.23351
1998	101091346628.25201
1999	105184275883.92
2000	115198850456.15599
2001	128029086273.01199
2002	140048835765.97699
2003	149186736558.35696
2004	155032963285.58597
2005	162363033147.23001
2006	174126843444.39499
2007	177880457698.88394
2008	194000550588.18002
2009	196604445936.42599
2010	204502726286.59299
2011	216126556623.81897
2012	219050586415.254
2013	234750618805.82098
2014	239863742506.33499
2015	242974854540.59396
2016	247384476956.573
2017	263688157841.60605