| Date | Acquired | Amount |
|---|---|---|
| Mar 01, 2016 |
|
Undisclosed amount |
| Mar 09, 2015 |
|
Undisclosed amount |
| Jul 01, 2013 |
|
$ 77,860,000 |
| Apr 12, 2012 |
|
Undisclosed amount |
| Feb 12, 2010 |
|
Undisclosed amount |
