| Date | Acquired | Amount |
|---|---|---|
| Jul 31, 2013 |
|
Undisclosed amount |
| Jun 04, 2012 |
|
$ 1,200,000 |
| Oct 04, 2011 |
|
$ 1,030,000 |
| May 11, 2010 |
|
$ 1,700,000 |
| Jul 01, 2008 |
|
Undisclosed amount |
| Feb 01, 2008 |
|
$ 4,000,000 |
| Sep 04, 2007 |
|
Undisclosed amount |
| Aug 14, 2007 |
|
Undisclosed amount |
| Jun 14, 2006 |
|
Undisclosed amount |
| Dec 01, 2000 |
|
Undisclosed amount |
