Year current US$ 2006 109999.999403954 2007 540000.021457672 2008 600000.023841858 2009 180000.00715255702 2010 150000.005960464 2011 639999.985694885 2012 29999.999329447703 2013 259999.990463257 2014 250000 2015 58180.8090209961 2016 78440.897166729 2017 170567.02077388798 2018 267331.510782242 2019 173297.464847565 2020 193964.079022408 2021 573770.761489868 2022 334076.434373856