Year constant 2015 US$ 2005 111502743.05064487 2006 4106194802.04422 2007 5124838458.867423 2008 6539215748.284601 2009 4785302055.792566 2010 2434198824.4519844 2011 4395844022.147073 2012 4700719817.036025 2013 5610535830.753164 2014 5757343586.617335 2015 5588954925.78089 2016 4719512536.671092 2017 4246981103.560706 2018 4336405303.500118 2019 3648883004.4211116