Year	constant 2010 US$
2002	7465114629.45783
2003	8124454291.89637
2004	8239343660.83276
2005	9164598458.53793
2006	9655582953.98019
2007	10990594706.5564
2008	11421973770.8233
2009	13865194314.7185
2010	15856574731.4411
2011	15924179997.7914
2012	17954877146.6564
2013	18960483969.8941
2014	19477070577.8584
2015	19759744157.4377
2016	20206376461.4103
2017	20744935406.0955
2018	20958745169.393