1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 10.7267 12.9592 12.3433 14.8467 12.1358 11.83 13.755 10.81 10.0017 13.2008 12.875 11.0633 18.36 14.6483 10.24 Announced Class IV Price Year $/cwt