Year constant 2010 US$ 1993 297.832264788165 1994 302.127960497992 1995 316.257564936133 1996 335.908314556628 1997 320.631911510474 1998 344.631386690792 1999 356.908346066108 2000 366.396356895651 2001 367.152317058184 2002 391.546419055864 2003 415.390566101989 2004 458.474454413796 2005 506.393869420855 2006 533.443111130948 2007 545.722360251529 2008 606.233477280592 2009 596.18351743435 2010 638.549314954486 2011 693.946926960397 2012 714.394301071842 2013 743.191957525771 2014 763.943951272468 2015 796.336473645781 2016 836.847081088331 2017 861.768836559668 2018 887.789667485161