Year % change from 1990 1991 5.55600000001655 1992 11.1110000000353 1993 16.6669999999894 1994 22.2220000000054 1995 27.778000000002 1996 33.3329999999783 1997 38.8890000000088 1998 5100.00000000077 1999 2375.00000000038 2000 299.999999999995 2001 4625.00000000067 2002 74.9999999999867 2003 5500.00000000072 2004 1450.00000000016 2005 2525.00000000035 2006 3225.00000000052 2007 7350.00000000094 2008 3450.00000000058 2009 2700.00000000052 2010 6425.00000000096 2011 6425.00000000101 2012 6425.00000000101