Year constant 2010 US$ 2005 206095138.237578 2006 208876479.370369 2007 210373808.417639 2008 205855397.822054 2009 195824887.00097 2010 193808400 2011 195024801.597449 2012 204454115.932158 2013 204095847.452557 2014 210656581.315026 2015 218761199.833798 2016 233013926.916242 2017 234824143.209804