| 
                2014               | 
              
                    Results for the Six Months Ended 30 June 2014 | 
          
                  
                | 
                2013               | 
              
                    Annual Report | 
          
                  
                | 
                2013               | 
              
                    Results for the Six Months Ended 30 June 2013 | 
          
                  
                | 
                2012               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2012 | 
          
                  
                | 
                2011               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2011 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2011 | 
          
                  
                | 
                2010               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2010 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2010 | 
          
                  
                | 
                2009               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2009 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2009 | 
          
                  
                | 
                2008               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2008 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2008 | 
          
                  
                | 
                2007               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2007 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2007 | 
          
                  
                | 
                2006               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2006 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2006 | 
          
                  
                | 
                2005               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2005 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2005 | 
          
                  
                | 
                2004               | 
              
                    Annual Report | 
          
                  
                | 
                               | 
              
                    Results for the Year Ended 31 December 2004 | 
          
                  
                | 
                               | 
              
                    Results for the Six Months Ended 30 June 2004 |