| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1423 | 
                                                                 
                                    
                                    23.1%
                                 
                                                             | 
                                                        
                    
| 2 | Sometimes | 1915 | 
                                                                 
                                    
                                    31.1%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely | 1790 | 
                                                                 
                                    
                                    29%
                                 
                                                             | 
                                                        
                    
| 4 | Never | 1037 | 
                                                                 
                                    
                                    16.8%
                                 
                                                             | 
                                                        
                    
| 88 | N.A. | 2938 | |
| 98 | D.K. | 3 | |
| 99 | 22 |