| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1449 | 
                            
                             
                                
                                30%
                                                             
                            
                         | 
                        
                    
| 1 | Rarely | 1356 | 
                            
                             
                                
                                28.1%
                                                             
                            
                         | 
                        
                    
| 2 | Sometimes | 1243 | 
                            
                             
                                
                                25.7%
                                                             
                            
                         | 
                        
                    
| 3 | Often | 781 | 
                            
                             
                                
                                16.2%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 32 |