| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Often | 1580 | 
                                                                 
                                    
                                    64.4%
                                 
                                                             | 
                                                        
                    
| 2 | 2.Sometimes | 828 | 
                                                                 
                                    
                                    33.8%
                                 
                                                             | 
                                                        
                    
| 3 | 3.Never | 28 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 8 | 8.Don't know | 16 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 9 | 9.Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2 |