Year current US$ 2005 289999.99165535 2007 259999.990463257 2009 39999.9991059303 2010 19999.9995529652 2013 9999.99977648258 2018 29999.999329447703 2019 239999.994635582 2020 479999.989271164 2021 280000.001192093 2022 460000.00834465