| Date | Acquired | Amount |
|---|---|---|
| Jul 08, 2016 |
|
Undisclosed amount |
| Sep 11, 2015 |
|
Undisclosed amount |
| Aug 12, 2015 |
|
Undisclosed amount |
| Apr 06, 2014 |
|
NOK 30,000,000 |
| Jan 24, 2001 |
|
$ 6,000,000 |
