Year	US Dollars
1992	120461583739.31599
1993	124277005389.01602
1994	130616453439.59401
1995	140409703197.12402
1996	147930743763.68698
1997	149350479348.34799
1998	151003737038.34
1999	154492650753.54797
2000	162502534411.12802
2001	174217616814.96396
2002	178561328109.95099
2003	190812000077.78598
2004	202080848190.61301
2005	213606488943.892
2006	228333928255.814
2007	251255180634.55798
2008	269804658614.43002
2009	267318302582.92801
2010	267665911505.76202
2011	279370310382.56494
2012	286391051564.63501
2013	301403153675.82001
2014	316634771841.13293
2015	329122356664.15302
2016	343673521758.15686
2017	364852703815.70398