Year current US$ 2006 280000.001192093 2007 419999.986886978 2008 560000.002384186 2009 170000.00178813902 2010 189999.99761581398 2011 70000.0002980232 2012 100000.00149011599 2013 209999.993443489 2014 219999.998807907 2015 219999.998807907 2016 100000.00149011599 2017 70000.0002980232 2018 19999.9995529652 2019 1580000.04291534 2020 19999.9995529652 2021 29999.999329447703 2022 59999.9986588955