4/30/2011

774.47

4/21/2008

773.55

6/30/2006

773.53

5/3/1983

773.29

5/21/1990

772.11

4/25/1993

771.26

5/13/1989

770.52

5/13/1996

770.32

5/5/1997

770.17

5/5/1992

769.81

5/1/1994

769.15

5/10/1991

767.34

6/12/1995

761.57