Year current US$ 1995 14000000 1996 12000000 1997 5000000 1998 4000000 1999 5000000 2000 5000000 2001 5000000 2002 5000000 2003 2000000 2004 1000000 2005 1000000 2006 2000000 2007 2299999.95231628 2008 699999.988079071 2009 600000.023841858 2010 2099999.90463257 2011 3299999.95231628 2012 2599999.90463257 2013 3200000.04768372 2014 1299999.95231628 2015 1299999.95231628 2016 2000000 2017 9999.99977648258 2018 2200000.04768372 2019 7400000.09536743 2020 6000000