Year current US$ 2010 310000.002384186 2011 3579999.92370605 2012 5940070.15228271 2013 200771.331787109 2014 3681370.01991272 2015 7758839.13040161 2016 5576450.82473755 2017 1443627.95352936 2018 4536835.1936340295 2019 4883388.99612427 2020 942579.984664917 2021 3648400.06828308 2022 922345.2806472781