| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 3315 | 
                                                                 
                                    
                                    18.4%
                                 
                                                             | 
                                                        
                    
| 2 | At times | 7121 | 
                                                                 
                                    
                                    39.4%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely | 4474 | 
                                                                 
                                    
                                    24.8%
                                 
                                                             | 
                                                        
                    
| 4 | Never | 3141 | 
                                                                 
                                    
                                    17.4%
                                 
                                                             | 
                                                        
                    
| -5 | Missing; Unknown; Inappropiate | 0 | |
| -4 | Not asked | 6086 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 116 | |
| -1 | Don't know | 305 |