Year current US$ 2005 500000 2006 430000.00715255697 2007 430000.00715255697 2008 680000.007152557 2009 409999.99642372096 2010 680000.007152557 2011 209999.993443489 2012 509999.99046325695 2013 1129999.99523163 2014 389999.98569488496 2015 289999.99165535 2016 409999.99642372096 2017 379999.99523162795 2018 589999.973773956 2019 629999.995231628 2020 479999.989271164 2021 330000.013113022 2022 379999.99523162795