| Value | Category | Cases | |
|---|---|---|---|
| 1 | Lo-femenal | 39 | 
                                                                 
                                    
                                    21%
                                 
                                                             | 
                                                        
                    
| 2 | Ovral | 70 | 
                                                                 
                                    
                                    37.6%
                                 
                                                             | 
                                                        
                    
| 6 | Other pills | 76 | 
                                                                 
                                    
                                    40.9%
                                 
                                                             | 
                                                        
                    
| 9 | Missing | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 4815 |