Year	US Dollars
2001	279228068000.823
2002	279164313064.69995
2003	307077343805.46204
2004	347513100269.53497
2005	380298972294.65894
2006	432810738222.20496
2007	463476299657.32007
2008	478013214643.45197
2009	455603090179.48798
2010	463767107413.71503
2011	506666150859.09003
2012	539353078158.06091
2013	577752714049.89001
2014	612107318785.98987
2015	651745477605.43799
2016	665080750359.50208
2017	699509974941.47986