Year current US$ 1999 600000.023841858 2000 529999.971389771 2001 100000.00149011599 2003 159999.99642372102 2004 150000.005960464 2005 189999.99761581398 2006 79999.9982118607 2007 500000 2008 519999.980926514 2009 129999.995231628 2010 119999.997317791 2011 170000.00178813902 2012 239999.994635582 2013 250000 2014 560000.002384186 2015 490000.009536743 2016 310000.002384186 2017 219999.998807907 2018 239999.994635582 2019 270000.010728836 2020 289999.99165535 2021 180000.00715255702 2022 200000.00298023198