Year current US$ 2009 349999.99403953605 2010 529999.971389771 2011 419999.986886978 2013 270000.010728836 2014 330000.013113022 2015 550000.011920929 2016 1110000.01430511 2017 1789999.96185303 2018 1980000.01907349 2019 1370000.00476837 2020 2009999.9904632599 2021 3009999.99046326 2022 1679999.94754791