| Date | Acquired | Amount |
|---|---|---|
| Sep 19, 2017 |
|
$ 21,000,000 |
| Jun 20, 2017 |
|
Undisclosed amount |
| Jun 15, 2017 |
|
$ 33,000,000 |
| Nov 16, 2016 |
|
Undisclosed amount |
| Jun 29, 2016 |
|
Undisclosed amount |
| Nov 10, 2004 |
|
Undisclosed amount |
| Oct 14, 2003 |
|
Undisclosed amount |
