Year current US$ 2006 159999.99642372102 2007 330000.013113022 2008 379999.99523162795 2009 239999.994635582 2010 360000.01430511504 2011 119999.997317791 2012 200000.00298023198 2013 460000.00834465 2014 479999.989271164 2015 217947.87049293498 2016 259083.062410355 2017 255822.33071327198 2018 338608.533143997 2019 348488.509654999 2020 147251.05464458498 2021 140062.82389164 2022 332917.809486389