| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 2722 | 
                                                                 
                                    
                                    39.8%
                                 
                                                             | 
                                                        
                    
| 2 | seldom | 1331 | 
                                                                 
                                    
                                    19.5%
                                 
                                                             | 
                                                        
                    
| 3 | sometime | 2471 | 
                                                                 
                                    
                                    36.1%
                                 
                                                             | 
                                                        
                    
| 4 | often | 312 | 
                                                                 
                                    
                                    4.6%
                                 
                                                             | 
                                                        
                    
| 5 | 5 | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | [.a] invalid value | 0 | |
| Sysmiss | 4 |