| Value | Category | Cases | |
|---|---|---|---|
| 1 | Currently using | 544 | 
                                    
                                    39.9%
                                 | 
| 2 | Used since last brth | 122 | 
                                    
                                    9%
                                 | 
| 3 | Used before last brt | 188 | 
                                    
                                    13.8%
                                 | 
| 4 | Never used | 508 | 
                                    
                                    37.3%
                                 |