Year constant 2010 US$ 2010 13049.9642393536 2011 13552.5833374442 2012 12638.8601321523 2013 12088.5437643383 2014 12447.1522752309 2015 11563.6717749595 2016 11262.0173993987 2017 11502.1052974797 2018 12374.4967884041