May 1991 $2.97

Nov 1993  $2.97

March 1993  $2.97

May 1993  $2.97

Nov 1995   $2.97

March 1996  $2.97

Sept 1996  $2.97

May 1997 $2.97

July 1997 $2.97

Sept 1997 $2.97

Nov 1997  $2.97

Jan 1998 $2.97

March 1998 $2.97

June 1998 $2.97

July 1998 $2.97

Sept 1998 $2.97

Jan 1999 $2.97

March 1999 $2.97

May 1999 $2.97

July 1999 $2.97

Sept 1999  $2.97

Nov 1999   $2.97

Jan 2000  $3.72

Nov 2000  $3.72

Jan 2001 $3.72

May 2001 $3.72

July 2001 $3.72

Sept 2001 $3.72

Nov 2001 $3.72

Jan 2002 $3.72

March 2002 $3.72

May 2002 $3.72

Sept 2002 $3.72

Nov 2002 $3.72

Feb 2003 $3.72

April 2003  $3.72

June 2003  $3.72

Aug 2003  $3.72

Oct 2003 $3.72

Dec 2003 $3.72

Feb 2004  $3.72

June 2004 $3.75

Aug 2004  $3.75

Oct 2004  $3.75

Dec 2004  $3.75

Feb 2005   $3.75

Oct 2007  $3.75

Oct 2008  $3.75

Dec 2008  $3.75

Feb 2009  $3.75

April 2009  $3.75

June 2009  $3.75

Dec 2009 $3.75