Year constant 2011 international $ 1995 1084.00027351391 1996 1105.99468508715 1997 1132.73164911616 1998 1147.96389654184 1999 1249.61935427754 2000 1337.61360628079 2001 1413.74089374754 2002 1466.23432510788 2003 1573.27559155808 2004 1703.90504265742 2005 1888.17240345944 2006 2061.67237758534 2007 2254.97120136852 2008 2354.28221602954 2009 2313.4199901344 2010 2409.5442791334 2011 2533.73887974101 2012 2656.9198439457 2013 2835.65080661492 2014 2959.34859516741 2015 3085.01036481362 2016 3247.73536509844 2017 3418.09820702862 2018 3597.39636539627