Year current US$ 1994 300000.011920929 1995 1580000.04291534 1996 1840000.0333786 1997 2230000.01907349 1998 2309999.94277954 1999 2349999.90463257 2000 2109999.89509583 2001 2430000.0667572 2002 3279999.97138977 2003 3349999.90463257 2004 3339999.91416931 2005 5179999.82833862 2006 5219999.79019165 2007 4659999.84741211 2008 3309999.94277954 2009 3119999.8855590797 2010 3569999.9332428 2011 3069999.9332428 2012 3250000 2013 2950000.04768372 2014 1559999.9427795399 2015 560000.002384186 2016 270000.010728836 2017 129999.995231628 2018 29999.999329447703 2020 540000.021457672 2021 39999.9991059303