Year current US$ 2005 0 2006 0 2007 0 2008 509999.99791383697 2009 80000.0000745058 2010 39999.9991059303 2011 49999.998882412896 2012 39999.9991059303 2013 89999.9979883432 2014 9999.99977648258 2015 9999.99977648258 2016 0 2017 0 2018 59999.9986588955 2019 9999.99977648258 2020 19999.9995529652 2021 469999.998807907 2022 89999.99798834311