Year	current US$
2003	33689198279.783314
2004	39185640789.84516
2005	44964846790.803535
2006	51240603053.66138
2007	61230252059.70493
2008	69065343912.11917
2009	69352612761.71828
2010	80180356238.96442
2011	71917597407.184
2012	78853040450.4274
2013	78684512628.1735
2014	88079100650.99644
2015	100067330445.65477
2016	103732379641.38847
2017	118782686001.92268
2018	131897142629.07024
2019	145143594987.66867