| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 1780 | 
                                                                 
                                    
                                    28.9%
                                 
                                                             | 
                                                        
                    
| 2 | Sometimes | 1602 | 
                                                                 
                                    
                                    26.1%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely | 1435 | 
                                                                 
                                    
                                    23.3%
                                 
                                                             | 
                                                        
                    
| 4 | Never | 1332 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             | 
                                                        
                    
| 88 | N.A. | 2938 | |
| 98 | D.K. | 17 | |
| 99 | 24 |