| Value | Category | Cases | |
|---|---|---|---|
| 0 | not given | 45 | 
                                    
                                    84.9%
                                 | 
| 44 | marked on card | 5 | 
                                    
                                    9.4%
                                 | 
| 66 | mother reported | 3 | 
                                    
                                    5.7%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| 99 | missing | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15298 |