Year
|
Beginning Price
|
Ending Price
|
Gain or Loss
|
Percent Gain or Loss
|
1975
|
17.125
|
21.50
|
4.375
|
25.55%
|
1976
|
21.50
|
50.00*
|
28.50
|
132.56%
|
1977
|
25.00
|
35.75
|
10.75
|
43.00%
|
1978
|
35.75
|
46.50
|
10.75
|
30.07%
|
1979
|
46.50
|
42.00*
|
-4.50
|
-9.68%
|
1980
|
21.00
|
22.625
|
1.625
|
7.74%
|
1981
|
22.625
|
31.125
|
8.50
|
37.57%
|
1982
|
31.125
|
55.25
|
24.125
|
77.51%
|
1983
|
55.25
|
73.25
|
18.00
|
32.58%
|
1984
|
73.25
|
80.25
|
7.00
|
9.56%
|
1985
|
80.25
|
118.75
|
38.50
|
47.98%
|
1986
|
118.75
|
156.00
|
37.25
|
31.37%
|
1987
|
156.00
|
187.00
|
31.00
|
19.87%
|
1988
|
187.00
|
210.75
|
23.75
|
12.70%
|
1989
|
210.75
|
281.50
|
70.75
|
33.57%
|
1990
|
281.50
|
198.00
|
-83.50
|
-29.66%
|
1991
|
198.00
|
194.50
|
-3.50
|
-1.77%
|
1992
|
194.50
|
229.75
|
35.25
|
18.12%
|
1993
|
229.75
|
254.75
|
25.00
|
10.88%
|
1994
|
254.75
|
242.50
|
-12.25
|
-4.81%
|
1995
|
242.50
|
282.00
|
39.50
|
16.29%
|
1996
|
282.00
|
335.125
|
53.125
|
18.84%
|
1997
|
335.125
|
486.50
|
151.375
|
45.17%
|
1998
|
486.50
|
577.9375
|
91.4375
|
18.79%
|
1999
|
577.9375
|
555.875
|
-22.0625
|
-3.82%
|
2000
|
555.875
|
616.875
|
61.00
|
10.97%
|
2001
|
616.875
|
530.00
|
-86.875
|
-14.08%
|
2002
|
530.00
|
738.00
|
208.00
|
39.25%
|
2003
|
738.00
|
791.3999
|
53.3999
|
7.24%
|
2004
|
791.3999
|
983.02
|
191.6201
|
24.21%
|
2005
|
983.02
|
765.00
|
-218.02
|
-22.18%
|
2006
|
765.00
|
745.60
|
-19.40
|
-2.54%
|
2007
|
745.60
|
791.43
|
45.83
|
6.15%
|
2008
|
791.43
|
390.25
|
-401.18
|
-50.69%
|
2009
|
390.25
|
439.60
|
49.35
|
12.65%
|
2010
|
439.60
|
439.50
|
-0.10
|
-0.02%
|
2011
|
439.50
|
376.81
|
-62.69
|
-14.26%
|
2012
|
376.81
|
365.21
|
-11.60
|
-3.08%
|
2013
|
365.21
|
663.32*
|
298.11
|
81.63%
|
2014
|
663.32
|
863.71
|
200.39
|
30.21%
|
2015
|
863.71
|
918.63*
|
54.92
|
6.36%
|
2016
|
484.97
|
511.95
|
26.98
|
5.56%
|
2017
|
511.95
|
558.35
|
46.40
|
9.06%
|
2018
|
558.35
|
640.58
|
82.23
|
14.73%
|
2019
|
640.58
|
638.99
|
-1.59
|
-0.25%
|
2020
|
638.99
|
533.38
|
-105.61
|
-16.53%
|
2021
|
533.38
|
629.83
|
96.45
|
18.08%
|
2022
|
629.83
|
604.21
|
-25.62
|
-4.07%
|
2023
|
604.21
|
696.52
|
92.31
|
15.28%
|