| Date | Acquired | Amount |
|---|---|---|
| Jun 10, 2016 |
|
$ 7,600,000 |
| Feb 26, 2016 |
|
Undisclosed amount |
| Feb 12, 2016 |
|
Undisclosed amount |
| Sep 01, 2015 |
|
Undisclosed amount |
| Apr 09, 2014 |
|
Undisclosed amount |
| Aug 25, 2008 |
|
$ 40,000,000 |
| Jan 22, 2008 |
|
Undisclosed amount |
