| Date | Acquired | Amount |
|---|---|---|
| Sep 27, 2017 |
|
Undisclosed amount |
| Jan 20, 2017 |
|
$ 76,700,000 |
| Aug 02, 2011 |
|
Undisclosed amount |
| Aug 26, 2006 |
|
$ 258,100 |
| Feb 24, 2004 |
|
Undisclosed amount |
