Year constant 2011 international $ 2000 6361119185.12329 2001 7594398201.66583 2002 7503352898.80442 2003 8634424343.08532 2004 9550065817.84465 2005 10204868001.6417 2006 10678603541.6179 2007 10732281191.0048 2008 12563083200.6129 2009 13092522813.1379 2010 15368396751.9865 2011 15860540626.1904 2012 18223675577.257 2013 19110930383.7361 2014 20003523361.2457 2015 20904527329.2301 2016 21851693378.6963 2017 23205236424.5663