Year constant 2011 international $ 2002 8344723582.90248 2003 8827179372.718 2004 9352347011.44477 2005 9701752772.46897 2006 9901086470.16085 2007 9185136192.30592 2008 10160273810.9859 2009 10120479804.27 2010 11538323852.6936 2011 13071464123.332 2012 14795332626.5179 2013 13368058153.0502 2014 14816483394.7833 2015 15536437151.3939 2016 18425900706.4795 2017 19958761228.4893