| Value | Category | Cases | |
|---|---|---|---|
| 0 | not given | 767 | 
                                    
                                    37.5%
                                 | 
| 1 | 98 | 
                                    
                                    4.8%
                                 | |
| 2 | 129 | 
                                    
                                    6.3%
                                 | |
| 3 | 135 | 
                                    
                                    6.6%
                                 | |
| 4 | 91 | 
                                    
                                    4.4%
                                 | |
| 5 | 86 | 
                                    
                                    4.2%
                                 | |
| 6 | 79 | 
                                    
                                    3.9%
                                 | |
| 7 | 88 | 
                                    
                                    4.3%
                                 | |
| 8 | 97 | 
                                    
                                    4.7%
                                 | |
| 9 | 91 | 
                                    
                                    4.4%
                                 | |
| 10 | 93 | 
                                    
                                    4.5%
                                 | |
| 11 | 96 | 
                                    
                                    4.7%
                                 | |
| 12 | 100 | 
                                    
                                    4.9%
                                 | |
| 44 | marked on card | 62 | 
                                    
                                    3%
                                 | 
| 66 | mother reported | 33 | 
                                    
                                    1.6%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 1 | 
                                    
                                    0%
                                 | 
| 99 | missing | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 13304 |