Year	constant 2010 US$
2007	7524588835.44429
2008	7521431978.4931
2009	8987394194.60958
2010	10302348837.1154
2011	10392916535.2943
2012	11330227069.2716
2013	11696588708.366
2014	12544738067.2167
2015	13142075448.4521
2016	12453573677.3874
2017	12144208531.9438