Year % change from 1990 1991 4.88498130835069E-13 1992 2.44249065417534E-13 1993 4.88498130835069E-13 1994 4.88498130835069E-13 1995 4.88498130835069E-13 1996 2.44249065417534E-13 1997 4.88498130835069E-13 1998 6092.32500000003 1999 6141.90000000003 2000 7499.52500000004 2001 10442.8000000001 2002 9355.22500000005 2003 1791.33250000001 2004 3098.25000000002 2005 2991.35000000002 2006 8255.47500000004 2007 3700.30000000002 2008 15579.2500000001 2009 2939.75000000002 2010 17481.3750000001 2011 17481.3750000001 2012 17481.3750000001