Year current US$ 2008 9999.99977648258 2009 19999.9995529652 2010 309999.99307096004 2011 119999.99918043608 2012 400000.00409781974 2013 529999.9862909317 2014 199999.99739229656 2015 1059999.9856203794 2016 1490000.056102873 2017 1750000.0130385144 2018 3190000.1037865933 2019 4800000.086426735