Year current US$ 2005 749999.9850988387 2006 820000.0170618293 2007 1619999.9544769556 2008 2280000.010505314 2009 1539999.976754188 2010 1370000.0178068879 2011 759999.9886006115 2012 220000.0062584872 2013 940000.0125169756 2014 159999.9964237214 2015 539999.997243285 2016 590000.0073015682 2017 339999.99612569745 2018 5670000.130310649 2019 4460000.086575742 2020 4029999.9248236367 2021 2630000.108852978 2022 2189999.9249726483