Year current US$ 1992 239999.994635582 1995 59999.9986588955 1996 159999.99642372102 1999 230000.004172325 2001 219999.998807907 2002 469999.998807907 2003 140000.000596046 2004 200000.00298023198 2005 170000.00178813902 2006 140000.000596046 2007 680000.007152557 2008 500000 2009 610000.014305115 2010 29999.999329447703 2011 19999.9995529652 2012 200000.00298023198 2013 9999.99977648258 2014 70000.0002980232 2015 170000.00178813902 2016 170000.00178813902 2017 200000.00298023198 2018 270000.010728836 2019 270000.010728836 2020 490000.009536743 2021 449999.988079071 2022 449999.988079071