| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | None | 1914 | 1858 | 
                                                                 
                                    
                                    59.6%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 1 | once or twice | 493 | 516 | 
                                                                 
                                    
                                    16.5%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | 3 to 10 times | 498 | 510 | 
                                                                 
                                    
                                    16.4%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | more than 10 times | 211 | 228 | 
                                                                 
                                    
                                    7.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 9 | Don't know/No answer | 2 | 7 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 4 | 2 |