Year	current US$
2002	414602668.05850464
2003	527919828.80863744
2004	590028208.5968176
2005	833309163.3317662
2006	1119210146.7461283
2007	1312925185.3723373
2008	1317724061.5897293
2009	1039908236.9254167
2010	1300179160.804763
2011	1370583210.5198152
2012	1419872274.3199852
2013	1375937211.643019
2014	1189101775.1273174
2015	1152644840.081906
2016	1108373438.6777918