                                         
                                           
                                                                                                                                                                                                                                                                   
                                                                                                                                                                                                                                                                    
                                                                                    
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                                                                                                                                                  
                                                               
                                                                                                                                                      
                                                                                                                 
                                                                                                                                                                                                                                               
                   
           
               2002.8    2010.8.8   