Year current US$ 2006 1159999.9666214 2007 910000.026226044 2008 680000.007152557 2009 920000.016689301 2010 720000.028610229 2011 370000.00476837205 2012 759999.990463257 2013 1210000.03814697 2014 860000.014305115 2015 667698.264122009 2016 773694.87285614 2017 670375.406742096 2018 386642.277240753 2019 467333.555221558 2020 523100.3761291499 2021 383859.36617851304 2022 305991.917848587