Year current US$ 2000 10000000 2001 13000000 2002 14000000 2003 19000000 2004 28000000 2005 28000000 2006 29000000 2007 35000000 2008 47000000 2009 47000000 2010 41000000 2011 57000000 2012 69000000 2013 71000000 2014 44000000 2015 57000000 2016 61000000 2017 66000000 2018 72000000 2019 70599998.4741211