| Date | Acquired | Amount |
|---|---|---|
| Jul 14, 2016 |
|
Undisclosed amount |
| May 05, 2016 |
|
Undisclosed amount |
| Sep 15, 2015 |
|
Undisclosed amount |
| Aug 24, 2015 |
|
Undisclosed amount |
| May 26, 2015 |
|
Undisclosed amount |
| Mar 31, 2015 |
|
Undisclosed amount |
| Feb 18, 2015 |
|
Undisclosed amount |
| Dec 12, 2014 |
|
Undisclosed amount |
| Apr 15, 2014 |
|
Undisclosed amount |
| May 30, 2013 |
|
Undisclosed amount |
| Apr 03, 2012 |
|
Undisclosed amount |
| Jun 01, 2010 |
|
Undisclosed amount |
