Year current US$ 1996 670000.016689301 1997 620000.004768372 1998 3930000.0667572 1999 889999.985694885 2000 1500000 2001 389999.98569488496 2002 2440000.05722046 2003 5199999.80926514 2004 4630000.11444092 2005 2130000.1144409203 2006 2200000.04768372 2007 3430000.0667572 2008 4469999.79019165 2009 3710000.03814697 2010 1700000.04768372 2011 1659999.9666214 2012 1379999.99523163 2013 419999.986886978 2014 379999.99523162795 2015 330000.013113022 2016 19999.9995529652 2017 19999.9995529652 2018 39999.9991059303 2019 50000.0007450581 2020 0 2021 19999.9995529652 2022 39999.9991059303