| Value | Category | Cases | |
|---|---|---|---|
| 0 | NEVER | 101 | 
                                                                 
                                    
                                    12.8%
                                 
                                                             | 
                                                        
                    
| 1 | ONE TIME | 106 | 
                                                                 
                                    
                                    13.4%
                                 
                                                             | 
                                                        
                    
| 2 | A FEW TIMES | 403 | 
                                                                 
                                    
                                    51.1%
                                 
                                                             | 
                                                        
                    
| 3 | MANY TIMES | 179 | 
                                                                 
                                    
                                    22.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 7146 |