Year current US$ 2009 310000.002384186 2010 39999.9991059303 2012 100000.00149011599 2013 400000.00596046395 2014 460000.00834465 2015 340000.00357627904 2016 389999.98569488496 2017 119999.997317791 2018 170000.00178813902 2019 289999.99165535 2020 259999.990463257 2021 280000.001192093 2022 319999.99284744303