Year current US$ 2006 12440000.2751499 2007 12450000.166893 2008 13389999.8478591 2009 12499999.918043599 2010 15699999.7720122 2011 11529999.9881536 2012 13989999.9424815 2013 13710000.0288337 2014 12450000.0886619 2015 10355529.7553539 2016 14284334.503114201 2017 14197080.4594457 2018 17067015.2716339 2019 16503712.490201 2020 11588438.0377829 2021 12090060.902759401 2022 11546889.055520298