Year
|
Beginning Price
|
Ending Price
|
Gain or Loss
|
Percent Gain or Loss
|
1981
|
20.50
|
30.25
|
9.75
|
47.56%
|
1982
|
30.25
|
45.375*
|
15.125
|
50.00%
|
1983
|
30.25
|
34.50
|
4.25
|
14.05%
|
1984
|
34.50
|
22.50
|
-12.00
|
-34.78%
|
1985
|
22.50
|
44.00
|
21.50
|
95.56%
|
1986
|
44.00
|
72.50*
|
28.50
|
64.77%
|
1987
|
36.25
|
34.50
|
-1.75
|
-4.83%
|
1988
|
34.50
|
46.00*
|
11.50
|
33.33%
|
1989
|
23.00
|
22.125
|
-0.875
|
-3.80%
|
1990
|
22.125
|
17.00
|
-5.125
|
-23.16%
|
1991
|
17.00
|
30.625
|
13.625
|
80.15%
|
1992
|
30.625
|
33.125
|
2.50
|
8.16%
|
1993
|
33.125
|
25.25
|
-7.875
|
-23.77%
|
1994
|
25.25
|
27.00
|
1.75
|
6.93%
|
1995
|
27.00
|
32.25
|
5.25
|
19.44%
|
1996
|
32.25
|
28.00
|
-4.25
|
-13.18%
|
1997
|
28.00
|
31.3125
|
3.3125
|
11.83%
|
1998
|
31.3125
|
49.50
|
18.1875
|
58.08%
|
1999
|
49.50
|
53.00
|
3.50
|
7.07%
|
2000
|
53.00
|
46.5625
|
-6.4375
|
-12.15%
|
2001
|
46.5625
|
64.50
|
17.9375
|
38.52%
|
2002
|
64.50
|
58.00
|
-6.50
|
-10.08%
|
2003
|
58.00
|
81.25
|
23.25
|
40.09%
|
2004
|
81.25
|
127.96*
|
46.71
|
57.49%
|
2005
|
63.98
|
65.92
|
1.94
|
3.03%
|
2006
|
65.92
|
82.97
|
17.05
|
25.86%
|
2007
|
82.97
|
94.80
|
11.83
|
14.26%
|
2008
|
94.80
|
84.26
|
-10.54
|
-11.12%
|
2009
|
84.26
|
77.90
|
-6.36
|
-7.55%
|
2010
|
77.90
|
91.77
|
13.87
|
17.80%
|
2011
|
91.77
|
85.50
|
-6.27
|
-6.83%
|
2012
|
85.50
|
97.74
|
12.24
|
14.32%
|
2013
|
97.74
|
133.94
|
36.20
|
37.04%
|
2014
|
133.94
|
166.62
|
32.68
|
24.40%
|
2015
|
166.62
|
189.44
|
22.82
|
13.70%
|
2016
|
189.44
|
224.66
|
35.22
|
18.59%
|
2017
|
224.66
|
331.6083*
|
106.9483
|
47.60%
|