Year current US$ 2005 12780000.181868672 2006 20440000.040456694 2007 16709999.965503834 2008 49849998.44245613 2009 34250000.054016724 2010 19340000.21032985 2011 16209999.592974737 2012 16429999.824613295 2013 6699999.999254944 2014 8349999.837577347 2015 6700000.014156103 2016 6419999.893754717 2017 9320000.190287832 2018 10699999.935925016 2019 11389999.896287914 2020 12429999.841377137 2021 16800000.07338822 2022 13960000.146180384