| Date | Acquired | Amount |
|---|---|---|
| Aug 29, 2017 |
|
Undisclosed amount |
| May 06, 2016 |
|
Undisclosed amount |
| Nov 23, 2015 |
|
Undisclosed amount |
| Aug 21, 2015 |
|
Undisclosed amount |
| Nov 12, 2013 |
|
Undisclosed amount |
| Mar 31, 2006 |
|
Undisclosed amount |
| Jan 30, 2004 |
|
Undisclosed amount |
| Nov 13, 2003 |
|
Undisclosed amount |
| Oct 03, 2003 |
|
Undisclosed amount |
| Sep 11, 2003 |
|
Undisclosed amount |
