Year current US$ 2005 500000 2006 509999.99046325695 2007 680000.007152557 2008 419999.986886978 2009 460000.00834465 2010 540000.021457672 2011 469999.998807907 2012 419999.986886978 2013 219999.998807907 2014 230000.004172325 2015 280000.001192093 2016 159999.99642372102 2017 230000.004172325 2018 230000.004172325 2019 150000.005960464 2020 529999.971389771 2021 239999.994635582 2022 100000.00149011599