| Date | Acquired | Amount |
|---|---|---|
| Oct 27, 2016 |
|
Undisclosed amount |
| Sep 06, 2016 |
|
Undisclosed amount |
| Jul 06, 2016 |
|
Undisclosed amount |
| Feb 25, 2015 |
|
$ 47,000,000 |
| Oct 30, 2014 |
|
$ 53,000,000 |
| Jul 07, 2014 |
|
Undisclosed amount |
| Oct 16, 2012 |
|
Undisclosed amount |
| Oct 12, 2012 |
|
Undisclosed amount |
| Oct 03, 2011 |
|
Undisclosed amount |
| May 07, 2010 |
|
Undisclosed amount |
