Year constant 2010 US$ 1995 1557.162657047 1996 1343.42259503466 1997 1345.1443742353 1998 1045.15491020647 1999 1021.81486871827 2000 984.727517034249 2001 1011.37535955176 2002 1431.12482829784 2003 1252.96997661629 2004 1588.05623137722 2005 1681.23756284683 2006 1937.50364604245 2007 2458.99511639482 2008 2561.79430390117 2009 2869.64495279204 2010 3079.50296127053 2011 3218.24845901242 2012 3490.0197388064 2013 3676.98601204661 2014 3905.68552592715 2015 4174.60089852652 2016 4468.89230906765 2017 4662.88713921557