Year constant 2010 US$ 2005 5307009243.30493 2006 7451417813.71788 2007 8880592850.04377 2008 10960148272.2093 2009 11341566314.2235 2010 11922604926.1322 2011 12780181515.0792 2012 15543921604.0162 2013 14130356778.3347 2014 13699186479.6163 2015 11653545547.9469 2016 10193730066.6376 2017 10057994070.8407 2018 10555340420.443