Year constant 2010 US$ 1995 502203972826.285 1996 525294277071.789 1997 531186655269.852 1998 535280314345.245 1999 560676708996.457 2000 590343475820.864 2001 573490485513.354 2002 573381237039.65 2003 565725120434.684 2004 598681759061.66 2005 605886396018.918 2006 595611422652.422 2007 576099962080.717 2008 597699550748.979 2009 612744944758.01 2010 593872944395.94 2011 596032375819.386 2012 580451426731.959 2013 614119523094.327 2014 629292282819.485 2015 640171059014.48 2016 641819268705.541 2017 637760785769.665