Year constant 2010 US$ 1995 3256.04023656269 1996 3350.32471747297 1997 3479.17315638227 1998 3499.27651560744 1999 3553.53990112558 2000 3754.36125137027 2001 3840.43997912677 2002 3974.82945780645 2003 4161.04459107931 2004 4446.82282058087 2005 4720.26283100557 2006 5096.74196233652 2007 5535.16267258051 2008 5818.07975512788 2009 5854.06324968072 2010 6233.19614416522 2011 6576.33963064093 2012 6863.94243005394 2013 7137.22470313515 2014 7414.66956986944 2015 7606.34900783859 2016 7836.71098286713 2017 8147.53388625369