Year current US$ 2006 620000.004768372 2007 509999.99046325695 2008 1320000.05245209 2009 400000.00596046395 2010 790000.021457672 2011 779999.971389771 2012 500000 2013 1029999.97138977 2014 230000.004172325 2015 67809.20922756201 2016 5650.77969804406 2017 565133.571624756 2018 281638.145446777 2019 1044998.16894531 2020 841022.908687592 2021 1065781.83174133 2022 364073.902368546