| Date | Acquired | Amount |
|---|---|---|
| Aug 19, 2016 |
|
Undisclosed amount |
| Jun 23, 2015 |
|
Undisclosed amount |
| Feb 04, 2013 |
|
€ 5,000,000 |
| Jul 02, 2008 |
|
$ 6,500,000 |
