Year current US$ 2005 3700000.04768372 2006 610000.014305115 2007 230000.004172325 2008 150000.005960464 2009 560000.002384186 2010 1700000.04768372 2011 740000.009536743 2012 469999.998807907 2013 90000.0035762787 2014 129999.995231628 2015 9999.99977648258 2016 9999.99977648258 2017 29999.999329447703 2018 9999.99977648258 2019 29999.999329447703 2021 19999.9995529652 2022 70000.0002980232