| March 31, 2012 |
EXC
|
A |
497 |
$38.91 |
$19,338 |
15,489
Indirect
|
+3.32%
|
Acquired |
64.5%
(price as of 2026-08-20)
|
| Dec. 31, 2011 |
EXC
|
A |
574 |
$43.58 |
$25,015 |
14,792
Indirect
|
+4.04%
|
Acquired |
46.8%
(price as of 2026-08-20)
|
| Sept. 30, 2011 |
EXC
|
A |
590 |
$42.38 |
$25,004 |
14,049
Indirect
|
+4.38%
|
Acquired |
51.0%
(price as of 2026-08-20)
|
| June 30, 2011 |
EXC
|
A |
597 |
$41.86 |
$24,990 |
13,294
Indirect
|
+4.70%
|
Acquired |
52.9%
(price as of 2026-08-20)
|
| March 31, 2011 |
EXC
|
A |
582 |
$42.96 |
$25,003 |
12,540
Indirect
|
+4.87%
|
Acquired |
49.0%
(price as of 2026-08-20)
|
| Dec. 31, 2010 |
EXC
|
A |
624 |
$40.04 |
$24,985 |
11,814
Indirect
|
+5.58%
|
Acquired |
59.8%
(price as of 2026-08-20)
|
| Sept. 30, 2010 |
EXC
|
A |
584 |
$42.82 |
$25,007 |
11,044
Indirect
|
+5.58%
|
Acquired |
49.4%
(price as of 2026-08-20)
|
| June 30, 2010 |
EXC
|
A |
624 |
$40.04 |
$24,985 |
10,334
Indirect
|
+6.43%
|
Acquired |
59.8%
(price as of 2026-08-20)
|
| June 9, 2010 |
GEO
|
M |
1,000 |
$16.69 |
$16,690 |
2,000
Direct
|
-33.33%
|
Disposed |
176.9%
(price as of 2026-08-20)
|
| June 9, 2010 |
GEO
|
M |
1,000 |
$16.69 |
$16,690 |
1,000
Direct
|
—
|
Acquired |
176.9%
(price as of 2026-08-20)
|
| March 31, 2010 |
EXC
|
A |
554 |
$45.11 |
$24,991 |
9,584
Indirect
|
+6.14%
|
Acquired |
41.9%
(price as of 2026-08-20)
|
| Dec. 31, 2009 |
EXC
|
A |
490 |
$51.04 |
$25,010 |
8,926
Indirect
|
+5.81%
|
Acquired |
25.4%
(price as of 2026-08-20)
|
| Oct. 28, 2009 |
GEO
|
A |
5,000 |
$21.07 |
$105,350 |
5,000
Direct
|
—
|
Acquired |
119.3%
(price as of 2026-08-20)
|
| Sept. 30, 2009 |
EXC
|
A |
514 |
$48.68 |
$25,022 |
8,350
Indirect
|
+6.56%
|
Acquired |
31.5%
(price as of 2026-08-20)
|
| June 30, 2009 |
EXC
|
A |
497 |
$50.33 |
$25,014 |
7,753
Indirect
|
+6.85%
|
Acquired |
27.1%
(price as of 2026-08-20)
|
| June 26, 2009 |
GEO
|
A |
3,000 |
— |
— |
13,000
Direct
|
+30.00%
|
Acquired |
(price as of 2026-08-20)
|
| March 31, 2009 |
EXC
|
A |
587 |
$42.57 |
$24,989 |
7,181
Indirect
|
+8.90%
|
Acquired |
50.3%
(price as of 2026-08-20)
|
| Dec. 31, 2008 |
EXC
|
A |
448 |
$55.82 |
$25,007 |
6,514
Indirect
|
+7.39%
|
Acquired |
14.6%
(price as of 2026-08-20)
|
| Oct. 30, 2008 |
GEO
|
S |
5,000 |
$16.69 |
$83,450 |
5,000
Direct
|
—
|
Acquired |
176.9%
(price as of 2026-08-20)
|
| Sept. 30, 2008 |
EXC
|
A |
389 |
$64.23 |
$24,985 |
6,009
Indirect
|
+6.92%
|
Acquired |
-0.4%
(price as of 2026-08-20)
|
| June 30, 2008 |
EXC
|
A |
239 |
$88.84 |
$21,233 |
5,577
Indirect
|
+4.48%
|
Acquired |
-28.0%
(price as of 2026-08-20)
|
| March 31, 2008 |
EXC
|
A |
275 |
$77.22 |
$21,236 |
5,308
Indirect
|
+5.46%
|
Acquired |
-17.1%
(price as of 2026-08-20)
|
| Jan. 1, 2008 |
EXC
|
D |
18,239 |
$81.64 |
$1,489,032 |
0
Indirect
|
-100.00%
|
Disposed |
-21.6%
(price as of 2026-08-20)
|
| Jan. 1, 2008 |
EXC
|
D |
6,800 |
$81.64 |
$555,152 |
5,000
Indirect
|
-57.63%
|
Disposed |
-21.6%
(price as of 2026-08-20)
|
| Dec. 31, 2007 |
EXC
|
A |
247 |
$86.18 |
$21,286 |
11,800
Indirect
|
+2.14%
|
Acquired |
-25.7%
(price as of 2026-08-20)
|
| Sept. 30, 2007 |
EXC
|
A |
290 |
$73.39 |
$21,283 |
11,495
Indirect
|
+2.59%
|
Acquired |
-12.8%
(price as of 2026-08-20)
|
| June 30, 2007 |
EXC
|
A |
294 |
$72.16 |
$21,215 |
11,139
Indirect
|
+2.71%
|
Acquired |
-11.3%
(price as of 2026-08-20)
|
| May 9, 2007 |
GEO
|
A |
2,000 |
— |
— |
5,000
Direct
|
+66.67%
|
Acquired |
(price as of 2026-08-20)
|
| March 31, 2007 |
EXC
|
A |
330 |
$64.49 |
$21,282 |
10,778
Indirect
|
+3.16%
|
Acquired |
-0.8%
(price as of 2026-08-20)
|
| Feb. 14, 2007 |
EXC
|
S |
2,760 |
$63.82 |
$176,143 |
0
Direct
|
-100.00%
|
Disposed |
0.3%
(price as of 2026-08-20)
|
| Dec. 31, 2006 |
EXC
|
A |
243 |
$61.76 |
$15,008 |
10,378
Indirect
|
+2.40%
|
Acquired |
3.6%
(price as of 2026-08-20)
|
| Sept. 30, 2006 |
EXC
|
A |
255 |
$58.84 |
$15,004 |
10,070
Indirect
|
+2.60%
|
Acquired |
8.8%
(price as of 2026-08-20)
|
| June 30, 2006 |
EXC
|
A |
259 |
$57.82 |
$14,975 |
9,749
Indirect
|
+2.73%
|
Acquired |
10.7%
(price as of 2026-08-20)
|
| May 4, 2006 |
GEO
|
A |
2,000 |
— |
— |
2,000
Direct
|
—
|
Acquired |
(price as of 2026-08-20)
|
| March 31, 2006 |
EXC
|
A |
270 |
$55.48 |
$14,980 |
9,424
Indirect
|
+2.95%
|
Acquired |
15.3%
(price as of 2026-08-20)
|
| Dec. 31, 2005 |
EXC
|
A |
276 |
$54.35 |
$15,001 |
9,088
Indirect
|
+3.13%
|
Acquired |
17.7%
(price as of 2026-08-20)
|
| Sept. 30, 2005 |
EXC
|
A |
269 |
$55.66 |
$14,973 |
8,748
Indirect
|
+3.17%
|
Acquired |
15.0%
(price as of 2026-08-20)
|
| June 30, 2005 |
EXC
|
A |
306 |
$49.00 |
$14,994 |
8,418
Indirect
|
+3.77%
|
Acquired |
30.6%
(price as of 2026-08-20)
|
| March 31, 2005 |
EXC
|
A |
322 |
$46.56 |
$14,992 |
8,046
Indirect
|
+4.17%
|
Acquired |
37.4%
(price as of 2026-08-20)
|
| Dec. 31, 2004 |
EXC
|
A |
298 |
$41.98 |
$12,510 |
7,658
Indirect
|
+4.05%
|
Acquired |
52.4%
(price as of 2026-08-20)
|
| Sept. 30, 2004 |
EXC
|
A |
332 |
$37.68 |
$12,510 |
7,291
Indirect
|
+4.77%
|
Acquired |
69.8%
(price as of 2026-08-20)
|
| June 30, 2004 |
EXC
|
A |
381 |
$32.79 |
$12,493 |
6,903
Indirect
|
+5.84%
|
Acquired |
95.2%
(price as of 2026-08-20)
|
| March 31, 2004 |
EXC
|
A |
184 |
$67.83 |
$12,481 |
3,234
Indirect
|
+6.03%
|
Acquired |
88.7%
(price as of 2026-08-20)
|
| Dec. 31, 2003 |
EXC
|
A |
196 |
$63.90 |
$12,524 |
3,025
Indirect
|
+6.93%
|
Acquired |
100.3%
(price as of 2026-08-20)
|
| Sept. 30, 2003 |
EXC
|
A |
208 |
$60.14 |
$12,509 |
2,808
Indirect
|
+8.00%
|
Acquired |
112.8%
(price as of 2026-08-20)
|