Year current US$ 2005 59999.9986588955 2006 19999.9995529652 2007 50000.0007450581 2008 19999.9995529652 2009 19999.9995529652 2010 9999.99977648258 2011 9999.99977648258 2012 19999.9995529652 2013 19999.9995529652 2014 9999.99977648258 2015 0 2016 0 2017 9999.99977648258 2018 19999.9995529652 2019 39999.9991059303 2020 50000.0007450581 2021 39999.9991059303 2022 50000.0007450581