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