| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 2910 | 
                                                                 
                                    
                                    19.8%
                                 
                                                             | 
                                                        
                    
| 2 | At times | 5129 | 
                                                                 
                                    
                                    34.9%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely | 3528 | 
                                                                 
                                    
                                    24%
                                 
                                                             | 
                                                        
                    
| 4 | Never | 3121 | 
                                                                 
                                    
                                    21.2%
                                 
                                                             | 
                                                        
                    
| -5 | Missing; Unknown; Inappropiate | 0 | |
| -4 | Not asked | 9760 | |
| -3 | Not applicable | 0 | |
| -2 | No answer | 7 | |
| -1 | Don't know | 103 |