Year constant 2010 US$ 1999 228312341966.532 2000 242996332161.664 2001 248702503229.559 2002 258476447693.406 2003 274837727790.699 2004 287925740305.678 2005 307762201385.334 2006 321677901434.501 2007 335162435357.637 2008 348013884691.002 2009 352006872322.563 2010 376250621468.5 2011 390336708251.577 2012 396290997433.119 2013 397049981557.393 2014 411591917926.907 2015 418991858352.34 2016 434532440135.375 2017 441511590438.337