Year current US$ 2005 490000.009536743 2006 540000.021457672 2007 550000.011920929 2008 800000.011920929 2009 300000.011920929 2010 879999.995231628 2011 550000.011920929 2012 319999.99284744303 2013 250000 2014 109999.999403954 2015 209999.993443489 2016 129999.995231628 2017 129999.995231628 2018 100000.00149011599 2019 159999.99642372102 2020 9999.99977648258 2021 19999.9995529652 2022 19999.9995529652