| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Visible, not used in class | 6 | 
                            
                             
                                
                                2.8%
                                                             
                            
                         | 
                        
                    
| 2 | 2.Used in this class | 58 | 
                            
                             
                                
                                27.5%
                                                             
                            
                         | 
                        
                    
| 3 | 3.Not visible but available | 4 | 
                            
                             
                                
                                1.9%
                                                             
                            
                         | 
                        
                    
| 4 | 4.Not available | 141 | 
                            
                             
                                
                                66.8%
                                                             
                            
                         | 
                        
                    
| 5 | 5.Missing | 2 | 
                            
                             
                                
                                0.9%
                                                             
                            
                         | 
                        
                    
| 6 | 6.Others | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         |