Year	current US$
1995	79970173921.5685
1996	92959926010.0616
1997	99258463377.4764
1998	96049643890.9071
1999	99469047164.9288
2000	109099627211.184
2001	116152724351.089
2002	129085267810.758
2003	138267179966.09
2004	172459571207.432
2005	194069898056.198
2006	219399578748.572
2007	261218058611.828
2008	289371249184.194
2009	265243974102.265
2010	294222009897.709
2011	323681171822.519
2012	348146365603.904
2013	371581074653.62
2014	376750540420.296
2015	368422040740.792
2016	366717113468.121
2017	402506838170.187