| Date | Acquired | Amount |
|---|---|---|
| Apr 28, 2014 |
|
Undisclosed amount |
| Aug 20, 2013 |
|
$ 10,000,000 |
| Apr 01, 2013 |
|
$ 22,400,000 |
| Mar 29, 2013 |
|
Undisclosed amount |
| Dec 31, 2012 |
|
$ 13,700,000 |
| Sep 12, 2012 |
|
$ 3,000,000 |
| Mar 09, 2012 |
|
Undisclosed amount |
| Dec 28, 2009 |
|
Undisclosed amount |
| Jul 01, 2009 |
|
$ 500,000 |
| Jul 06, 2005 |
|
$ 1,900,000 |
| Mar 24, 2003 |
|
Undisclosed amount |
| Mar 24, 2003 |
|
Undisclosed amount |
| May 15, 2001 |
|
Undisclosed amount |
| May 10, 2001 |
|
Undisclosed amount |
| Oct 31, 1998 |
|
Undisclosed amount |
