Year constant 2010 US$ 2000 5736020806.24188 2001 6072301690.50715 2002 6430429128.73862 2003 6378673602.08063 2004 7214304291.28739 2005 8116514954.48635 2006 8600520156.04682 2007 9072821846.55397 2008 9361248374.51236 2009 10069700910.2731 2010 10642414564.3693 2011 12011393237.9714 2012 14262136540.9623 2013 15806484525.3576 2014 17324314694.4083 2015 17462909232.7698 2016 14598179453.8362 2017 14490507152.1456 2018 14533940182.0546