1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 11.6733 13.6283 11.7725 13.5433 13.6633 11.5542 14.2658 11.01 11.385 14.9842 14.4042 11.8833 18.1375 17.9958 11.4775 Advanced Class I Price Year $/cwt