Year current US$ 2005 39999.9991059303 2006 109999.999403954 2007 109999.999403954 2008 289999.99165535 2009 330000.013113022 2010 490000.009536743 2011 519999.980926514 2012 479999.989271164 2013 649999.976158142 2014 140000.000596046 2015 180000.00715255702 2016 159999.99642372102 2017 340000.00357627904 2018 319999.99284744303 2019 280000.001192093 2020 280000.001192093 2021 340000.00357627904 2022 230000.004172325