Year current US$ 2005 250000 2006 119999.997317791 2007 759999.990463257 2008 550000.011920929 2009 589999.973773956 2010 569999.992847443 2011 939999.997615814 2012 608409.881591797 2013 738348.90127182 2014 602656.8412780759 2015 634045.004844666 2016 431842.297315598 2017 375400.006771088 2018 32214.0008211136 2019 186816.304922104 2022 103744.998574257