Year current US$ 2002 67424102394.863205 2003 66117035342.29161 2004 74329339727.29024 2005 86160545306.43481 2006 92920476870.35027 2007 110273351449.02928 2008 116838588795.03726 2009 117309139611.27989 2010 133735751245.13385 2011 133085621211.15518 2012 134595503542.20592 2013 143329108190.1259 2014 157340652285.9594 2015 160725039734.7654 2016 163187553569.31842 2017 178270493694.3527 2018 186955456590.84952 2019 185846485408.36075