| Value | Category | Cases | |
|---|---|---|---|
| 0 | not given | 856 | 
                                    
                                    41.8%
                                 | 
| 1 | 158 | 
                                    
                                    7.7%
                                 | |
| 2 | 139 | 
                                    
                                    6.8%
                                 | |
| 3 | 143 | 
                                    
                                    7%
                                 | |
| 4 | 83 | 
                                    
                                    4.1%
                                 | |
| 5 | 82 | 
                                    
                                    4%
                                 | |
| 6 | 68 | 
                                    
                                    3.3%
                                 | |
| 7 | 62 | 
                                    
                                    3%
                                 | |
| 8 | 67 | 
                                    
                                    3.3%
                                 | |
| 9 | 63 | 
                                    
                                    3.1%
                                 | |
| 10 | 70 | 
                                    
                                    3.4%
                                 | |
| 11 | 85 | 
                                    
                                    4.2%
                                 | |
| 12 | 84 | 
                                    
                                    4.1%
                                 | |
| 44 | marked on card | 45 | 
                                    
                                    2.2%
                                 | 
| 66 | mother reported | 39 | 
                                    
                                    1.9%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| 99 | missing | 3 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 13304 |