| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 2230 | 
                                                                 
                                    
                                    36.3%
                                 
                                                             | 
                                                        
                    
| 2 | Sometimes | 2040 | 
                                                                 
                                    
                                    33.2%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely | 1199 | 
                                                                 
                                    
                                    19.5%
                                 
                                                             | 
                                                        
                    
| 4 | Never | 677 | 
                                                                 
                                    
                                    11%
                                 
                                                             | 
                                                        
                    
| 88 | N.A. | 2938 | |
| 98 | D.K. | 25 | |
| 99 | 19 |