| Value | Category | Cases | |
|---|---|---|---|
| 0 | no method | 83 | 
                                    
                                    63.8%
                                 | 
| 1 | folkloric method | 0 | 
                                    
                                    0%
                                 | 
| 2 | traditional method | 6 | 
                                    
                                    4.6%
                                 | 
| 3 | modern method | 41 | 
                                    
                                    31.5%
                                 | 
| 8 | don't know | 0 | 
                                    
                                    0%
                                 |