Year current US$ 1995 3799999.95231628 1996 3900000.09536743 1997 5000000 1998 2599999.90463257 1999 2900000.09536743 2000 5900000.09536743 2001 4000000 2002 2799999.95231628 2003 2799999.95231628 2004 2799999.95231628 2005 2900000.09536743 2006 3500000 2007 2599999.90463257 2008 3700000.04768372 2009 5800000.19073486 2010 8600000.38146973 2011 21000000 2012 18399999.6185303 2013 19200000.762939498 2014 21500000 2015 28500000 2016 23500000 2017 27799999.237060502 2018 22299999.237060502 2019 25000000 2020 14899999.6185303