Year current US$ 1995 4000000 1996 3000000 1997 2000000 1998 4000000 1999 8000000 2000 5000000 2001 5000000 2002 3000000 2003 4000000 2004 7800000.19073486 2005 7199999.80926514 2006 10199999.8092651 2007 10800000.1907349 2008 11800000.1907349 2009 7500000 2010 14399999.6185303 2011 15000000 2012 15000000 2013 15600000.3814697