| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 3015 | 
                                                                 
                                    
                                    6.8%
                                 
                                                             | 
                                                        
                    
| 2 | Often | 5130 | 
                                                                 
                                    
                                    11.7%
                                 
                                                             | 
                                                        
                    
| 3 | Sometimes | 8214 | 
                                                                 
                                    
                                    18.7%
                                 
                                                             | 
                                                        
                    
| 4 | Rarely | 8861 | 
                                                                 
                                    
                                    20.1%
                                 
                                                             | 
                                                        
                    
| 5 | Never | 18170 | 
                                                                 
                                    
                                    41.3%
                                 
                                                             | 
                                                        
                    
| 97 | Not applicable | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 98 | Refused | 2 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 99 | Don't know | 633 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3326 |