Year constant 2010 US$ 2007 60671.6259593827 2008 66046.7056438472 2009 63318.0418228177 2010 68399.1351685839 2011 70992.2101323685 2012 72469.6030923858 2013 82642.6919806819 2014 79405.7072467681 2015 85932.2153021314 2016 75143.9200215724 2017 94000.729739167 2018 95684.7338335875