Year current US$ 2006 19999.9995529652 2007 159999.99642372102 2008 170000.00178813902 2009 129999.995231628 2010 460000.00834465 2011 270000.010728836 2012 400000.00596046395 2013 430000.00715255697 2014 689999.997615814 2015 850000.023841858 2016 460000.00834465 2017 889999.985694885 2018 779999.971389771 2019 1000000 2020 1029999.97138977 2021 939999.997615814 2022 649999.976158142