| Date | Share Price | Growth | Average growth rate | 
| 28/02/2010 | 419.70p | 
 | 
 | 
| 28/02/2011 | 402.20p | −41.70% | ?14.28% | 
| 29/02/2012 | 316.10p | −21.41% | |
| 28/02/2013 | 369.60p | 16.93% | |
| 28/02/2014 | 329.20p | −10.93% |