| 6-K | September 23, 2015 | Annual Foreign Issuer Report |
| 6-K | September 8, 2015 | Annual Foreign Issuer Report |
| 6-K | July 7, 2015 | Annual Foreign Issuer Report |
| SC 13D | June 29, 2015 | Acquisition Statement |
| 6-K | June 19, 2015 | Annual Foreign Issuer Report |
| 6-K | June 17, 2015 | Annual Foreign Issuer Report |
| 6-K | May 20, 2015 | Annual Foreign Issuer Report |
| 20-F | April 27, 2015 | Foreign Annual Reports |
| 6-K | April 24, 2015 | Annual Foreign Issuer Report |
| 6-K | March 10, 2015 | Annual Foreign Issuer Report |
| 6-K | March 2, 2015 | Annual Foreign Issuer Report |
| SC 13G/A | February 17, 2015 | >= 5% Acquisition |
| SC 13G/A | February 13, 2015 | >= 5% Acquisition |
| SC 13G/A | February 13, 2015 | >= 5% Acquisition |
| SC 13G/A | February 13, 2015 | >= 5% Acquisition |
| SC 13G/A | February 13, 2015 | >= 5% Acquisition |
| 6-K | December 17, 2014 | Annual Foreign Issuer Report |
| 6-K | December 12, 2014 | Annual Foreign Issuer Report |
| SC 13G | December 5, 2014 | >= 5% Acquisition |
| 6-K | November 25, 2014 | Annual Foreign Issuer Report |