| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | 1-2 times | 7 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    
| 2 | 2-5 times | 7 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    
| 3 | More than 5 times | 7 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 9068 |