Year current US$ 2010 419999.986886978 2011 379999.99523162795 2012 50000.0007450581 2013 59999.9986588955 2014 39999.9991059303 2015 39999.9991059303 2016 59999.9986588955 2021 239999.994635582 2022 50000.0007450581