9/8/1980

22.98

3/23/2000

22.42

10/5/1986

21.96

5/10/1994

20.05

9/29/2012

19.96

10/9/2018

18.76

5/28/1971

17.68

6/19/1982

15.93

10/23/2015

15.73

4/22/1981

15.7

5/20/2017

15.4