Year current US$ 2005 11100000.3814697 2006 12199999.8092651 2007 12899999.6185303 2008 12899999.6185303 2009 12199999.8092651 2010 10899999.6185303 2011 11100000.3814697 2012 12600000.3814697 2013 12000000 2014 11500000 2015 11500000 2016 11500000 2017 11500000 2018 11500000