Year constant 2011 international $ 1995 20369303759635.6 1996 21319938832361.2 1997 22319258209100.4 1998 22909621272681.2 1999 23763621802298.4 2000 25177301281549.6 2001 26158128887719.7 2002 27405851120081.1 2003 29081590020813.9 2004 31237915208526.8 2005 33369834908238.9 2006 36193611569166.1 2007 39411734580190 2008 41591182276197.1 2009 42624202420548.4 2010 45639850268006.7 2011 48408735684242.9 2012 50888808562229.4 2013 53404804912905 2014 56247229820003.5 2015 58709952913378.8 2016 61519012904941 2017 64650376374767.7