              
                                                                        
                                                        
                                                                                                   
                                             
                                                                                                                                                                      
                                                                                                                                                  
                                      
                                                                                                                                                                                
        2016                                                                                                             
                                       
                                              
                  
                                                                                                    
                                                                  
                                      
                                                            
   
    
     
                 2017.1.28 1 31        