Year constant 2011 international $ 2000 21206492868.7211 2001 22369007124.9851 2002 23729907737.5292 2003 25278201016.6168 2004 26957798267.0445 2005 29767726742.8892 2006 32396673039.0013 2007 34261114957.1251 2008 32917852008.3519 2009 28712903151.9453 2010 28678922537.3023 2011 30946637998.4363 2012 32619188589.1201 2013 33843695252.326 2014 34616907590.9466 2015 35517455701.7317 2016 36729885435.5022 2017 38625575630.6949