| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not given | 7103 | 
                                                                 
                                    
                                    91.8%
                                 
                                                             | 
                                                        
                    
| 1 | 48 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 2 | 48 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 3 | 53 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 74 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 5 | 73 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 6 | 60 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 7 | 45 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 8 | 50 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 9 | 49 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 10 | 43 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 11 | 40 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| 12 | 28 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    |
| 44 | Marked on card | 14 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 66 | Mother reported | 10 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 97 | Inconsistent | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 98 | DK | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 99 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1054 |