Year constant 2010 US$ 1995 6446.93459685481 1996 6883.89915201386 1997 7321.56471078481 1998 7658.68992759804 1999 8021.87665001182 2000 8490.82360086642 2001 8607.72988294936 2002 8786.19542221999 2003 9048.96973911142 2004 9307.61080230138 2005 9777.92228552281 2006 10350.8684058117 2007 10942.7133351962 2008 11596.0987438364 2009 11759.9527737088 2010 12148.5545649086 2011 12750.0790500903 2012 12941.7637441186 2013 13179.3899914383 2014 13573.0521990667 2015 14106.9294671537 2016 14496.6031277335 2017 15156.5821611763 2018 15992.420771936