|
| Date |
NAV |
Market Close |
Premium/(Discount) |
03/31/2008 |
28.64
|
24.59
|
(14.14%)
|
| |
12/31/2007 |
30.15
|
26.84
|
(10.98%)
|
9/30/2007 |
32.69
|
28.26
|
(13.55%)
|
|
6/30/2007
|
33.03
|
29.05
|
(13.70%)
|
|
3/31/2007
|
30.56
|
26.85
|
(12.14%)
|
| |
|
12/31/2006
|
30.05
|
26.65
|
(11.31%)
|
|
9/30/2006
|
29.91
|
25.90
|
(13.41%)
|
|
6/30/2006
|
29.69
|
25.35
|
(14.62%)
|
|
3/31/2006
|
29.43
|
24.60
|
(16.41%)
|
| |
|
12/31/2005
|
27.65
|
23.80
|
(13.92%)
|
|
9/30/2005
|
28.91
|
25.36
|
(12.28%)
|
|
6/30/2005
|
28.40
|
24.19
|
(14.82%)
|
|
3/31/2005
|
27.53
|
23.44
|
(14.86%)
|
| |
|
12/31/2004
|
26.44
|
22.85
|
(13.58%)
|
|
9/30/2004
|
25.93
|
22.25
|
(14.19%)
|
|
6/30/2004
|
26.87
|
23.25
|
(13.47%)
|
|
3/31/2004
|
24.89
|
21.45
|
(13.82%)
|
| |
|
12/31/2003
|
24.32
|
20.89
|
(14.10%)
|
|
9/30/2003
|
22.91
|
19.66
|
(14.19%)
|
|
6/30/2003
|
22.06
|
18.92
|
(14.23%)
|
|
3/31/2003
|
18.18
|
15.44
|
(15.07%)
|
| |
|
12/31/2002
|
18.72
|
16.28
|
(13.03%)
|
|
9/30/2002
|
19.64
|
16.62
|
(15.38%)
|
|
6/30/2002
|
23.97
|
21.19
|
(11.60%)
|
|
3/31/2002
|
28.74
|
25.49
|
(11.31%)
|
| |
|
12/31/2001
|
28.54
|
25.31
|
(11.32%)
|
|
9/30/2001
|
25.67
|
22.90
|
(10.79%)
|
|
6/30/2001
|
32.49
|
29.55
|
(9.05%)
|
|
3/31/2001
|
28.95
|
26.64
|
(7.98%)
|
| |
|
12/31/2000
|
32.94
|
28.25
|
(14.24%)
|
|
9/30/2000
|
40.59
|
36.00
|
(11.31%)
|
|
6/30/2000
|
39.84
|
35.50
|
(10.89%)
|
|
3/31/2000
|
42.48
|
33.94
|
(20.11%)
|
| |
|
12/31/1999
|
35.05
|
27.25
|
(22.25%)
|
|
9/30/1999
|
31.30
|
25.63
|
(18.13%)
|
|
6/30/1999
|
34.98
|
27.38
|
(21.74%)
|
|
3/31/1999
|
31.64
|
23.75
|
(24.94%)
|
| |
|
12/31/1998
|
31.43
|
24.38
|
(22.45%)
|
|
9/30/1998
|
27.58
|
21.00
|
(23.86%)
|
|
6/30/1998
|
31.91
|
25.88
|
(18.91%)
|
|
3/31/1998
|
33.10
|
30.38
|
(8.23%)
|
| |
|
12/31/1997
|
29.97
|
29.69
|
(0.94%)
|
|
9/30/1997
|
33.16
|
33.25
|
0.27%
|
|
6/30/1997
|
29.39
|
27.38
|
(6.86%)
|
|
3/31/1997
|
26.30
|
26.38
|
0.29%
|
| |
|
12/31/1996
|
25.64
|
24.13
|
(5.91%)
|
|
9/30/1996
|
25.18
|
23.88
|
(5.18%)
|
|
6/30/1996
|
23.99
|
24.00
|
0.04%
|
|
3/31/1996
|
23.16
|
22.63
|
(2.31%)
|
| |
|
12/31/1995
|
21.74
|
20.88
|
(3.98%)
|
|
9/30/1995
|
23.25
|
21.75
|
(6.45%)
|
|
6/30/1995
|
21.44
|
20.50
|
(4.38%)
|
|
3/31/1995
|
19.08
|
17.50
|
(8.28%)
|
| |
|
12/31/1994
|
17.60
|
15.75
|
(10.51%)
|
|
9/30/1994
|
19.36
|
17.50
|
(9.61%)
|
|
6/30/1994
|
19.06
|
16.88
|
(11.46%)
|
|
3/31/1994
|
17.87
|
15.00
|
(16.06%)
|
| |
|
12/31/1993
|
17.90
|
15.50
|
(13.41%)
|
|
9/30/1993
|
19.25
|
16.75
|
(12.99%)
|
|
|
|
