| Date | Acquired | Amount |
|---|---|---|
| Jul 19, 2017 |
|
Undisclosed amount |
| Oct 05, 2016 |
|
Undisclosed amount |
| Dec 09, 2015 |
|
Undisclosed amount |
| Dec 04, 2015 |
|
Undisclosed amount |
| Sep 14, 2015 |
|
Undisclosed amount |
| Jul 08, 2015 |
|
Undisclosed amount |
| Jun 25, 2014 |
|
$ 20,000,000 |
| Jun 05, 2014 |
|
€ 90,000,000 |
| Apr 16, 2014 |
|
$ 6,900,000 |
