| 2014 | 2013 | 2012 | 2011 |
| January 2014 | January 2013 | January 2012 | October 2011 |
| April 2014 | February 2013 | February 2012 | |
| June 2014 | April 2013 | March 2012 | |
| May 2013 | June 2012 | ||
| June 2013 | August 2012 | ||
| July 2013 | October 2012 | ||
| August 2013 | December 2012 | ||
| October 2013 | |||
| December 2013 |