| Years | Dividend Cover | Growth | Average growth rate |
| 2010 | 1.40 |
| 11.87% |
| 2011 | 1.65 | 17.86% | |
| 2012 | 2.48 | 50.30% | |
| 2013 | 0.94 | −62% | |
| 2014 | 1.44 | 53.19% |