| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 17 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 65 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| 3 | Occasionally | 171 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    
| 4 | Rarely | 134 | 
                                                                 
                                    
                                    7.3%
                                 
                                                             | 
                                                        
                    
| 5 | Never | 1439 | 
                                                                 
                                    
                                    78.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 157 |