Year	constant 2010 US$
2008	8361998617.806
2009	9589812107.10669
2010	10781657067.487
2011	8478420796.969
2012	11428465156.9791
2013	10592830880.1556
2014	10624909333.844
2015	12315634174.1277
2016	12546966123.9372
2017	13488741150.2099
2018	14251322843.7301
