Year current US$ 2005 4740000.046789651 2006 1660000.0131875288 2007 1369999.9880045645 2008 1369999.9749660497 2009 2120000.010356308 2010 3450000.030919914 2011 2000000.0372529032 2012 1610000.0031292436 2013 1030000.0105053185 2014 419999.9924749132 2015 330000.00007450616 2016 479999.99113380886 2017 550000.0081956385 2018 950000.0122934587 2019 590000.0017136331 2020 369999.9935925002 2021 1649999.9966472434 2022 459999.993443489