Year constant 2011 international $ 1990 6063351578.97791 1991 6404842030.48176 1992 5877895072.84793 1993 6143410665.41871 1994 6309537789.97131 1995 6669479485.51415 1996 7238891580.51795 1997 7751263716.92882 1998 8150714254.11478 1999 8594683820.77654 2000 8531348630.23372 2001 8595301276.23614 2002 11591162156.7432 2003 12221682373.9896 2004 12743249996.0019 2005 13631776248.2546 2006 14244651637.209 2007 15317614434.6553 2008 16153657812.8017 2009 17150813258.6306 2010 17770562990.9619 2011 18649535569.9393 2012 20170592697.6794 2013 21358467832.5401 2014 22359478428.891 2015 23458969971.382 2016 24107589227.9055 2017 24951478914.4143 2018 25899645482.3315