| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 2 | Continuously | 131 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    
| 3 | Sometimes | 230 | 
                                                                 
                                    
                                    14.1%
                                 
                                                             | 
                                                        
                    
| 4 | Rarely | 97 | 
                                                                 
                                    
                                    5.9%
                                 
                                                             | 
                                                        
                    
| 5 | No | 1102 | 
                                                                 
                                    
                                    67.6%
                                 
                                                             | 
                                                        
                    
| 6 | Not applicable | 46 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| 98 | Don't know | 24 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 14799 |