| Date | Acquired | Amount |
|---|---|---|
| Jan 01, 2015 |
|
$ 3,200,000 |
| Feb 20, 2014 |
|
Undisclosed amount |
| Mar 12, 2012 |
|
Undisclosed amount |
| Oct 15, 2009 |
|
$ 30,000,000 |
| Sep 09, 2009 |
|
Undisclosed amount |
