| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 883 | 
                                                                 
                                    
                                    62.8%
                                 
                                                             | 
                                                        
                    
| 2012 | 16 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 2013 | 228 | 
                                                                 
                                    
                                    16.2%
                                 
                                                             | 
                                                        
                    |
| 2014 | 276 | 
                                                                 
                                    
                                    19.6%
                                 
                                                             | 
                                                        
                    |
| 4444 | Marked on card | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 6666 | Mother reported | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9997 | Inconsistent | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 9998 | DK | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9999 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1322 |