| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -888 | -888 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Never | 812 | 
                                                                 
                                    
                                    89%
                                 
                                                             | 
                                                        
                    
| 2 | Sometimes | 96 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    
| 3 | Always | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             |