Year constant 2010 US$ 2006 4460133847.1634 2007 4660025797.13212 2008 4645574630.2874 2009 4236519495.07856 2010 4922139195.20226 2011 5027946836.74754 2012 5579889488.41178 2013 5939207098.73354 2014 6328296096.60272 2015 6471747715.16135 2016 7249532173.80155 2017 9800889253.92378