| Date | Acquired | Amount |
|---|---|---|
| Sep 07, 2017 |
|
$ 11,100,000 |
| Mar 02, 2017 |
|
$ 7,600,000 |
| Jun 19, 2014 |
|
Undisclosed amount |
| Mar 12, 2010 |
|
Undisclosed amount |
| Feb 09, 2009 |
|
Undisclosed amount |
| Apr 22, 2008 |
|
Undisclosed amount |
