Year current US$ 1995 5000000 1996 4000000 1997 6000000 1998 7000000 1999 6000000 2000 3000000 2001 4000000 2002 4000000 2003 8000000 2004 6000000 2005 2000000 2006 699999.988079071 2007 600000.023841858 2008 800000.011920929 2009 100000.00149011599 2010 1700000.04768372 2011 4500000 2012 4699999.80926514 2013 10000000 2014 8000000 2015 7000000 2016 7000000 2017 7000000 2018 9000000 2019 9000000 2020 2000000