| Date | Acquired | Amount |
|---|---|---|
| Aug 23, 2017 |
|
Undisclosed amount |
| May 18, 2017 |
|
Undisclosed amount |
| Feb 02, 2017 |
|
Undisclosed amount |
| Jan 19, 2017 |
|
Undisclosed amount |
| Sep 30, 2016 |
|
Undisclosed amount |
| Apr 15, 2016 |
|
Undisclosed amount |
| Aug 14, 2014 |
|
Undisclosed amount |
| Dec 23, 2013 |
|
Undisclosed amount |
| Jan 29, 2013 |
|
Undisclosed amount |
| Jul 04, 2012 |
|
Undisclosed amount |
| Sep 22, 2004 |
|
Undisclosed amount |
