Year current US$ 2008 270000.010728836 2009 50000.0007450581 2010 29999.999329447703 2011 129999.995231628 2012 29999.999329447703 2013 19999.9995529652 2014 90000.0035762787 2015 159999.99642372102 2016 490000.009536743 2017 509999.99046325695 2018 1200000.04768372 2019 1210000.03814697 2020 1120000.00476837 2021 1230000.01907349 2022 1580000.04291534