Year	current US$
2005	4617315496.994036
2006	5434771092.434147
2007	7430122053.102781
2008	9922209495.957283
2009	11049585724.956442
2010	11934237022.336367
2011	13708578662.465958
2012	16313365205.937372
2013	15712435529.207853
2014	15769641333.729668
2015	11281657691.42139
2016	10091443362.378536
2017	10334423908.789488
2018	11056053939.225946
2019	10525152904.06395