| Value | Category | Cases | |
|---|---|---|---|
| 0 | not given | 745 | 
                                    
                                    36.4%
                                 | 
| 1 | 101 | 
                                    
                                    4.9%
                                 | |
| 2 | 134 | 
                                    
                                    6.5%
                                 | |
| 3 | 135 | 
                                    
                                    6.6%
                                 | |
| 4 | 94 | 
                                    
                                    4.6%
                                 | |
| 5 | 81 | 
                                    
                                    4%
                                 | |
| 6 | 81 | 
                                    
                                    4%
                                 | |
| 7 | 89 | 
                                    
                                    4.3%
                                 | |
| 8 | 97 | 
                                    
                                    4.7%
                                 | |
| 9 | 93 | 
                                    
                                    4.5%
                                 | |
| 10 | 90 | 
                                    
                                    4.4%
                                 | |
| 11 | 98 | 
                                    
                                    4.8%
                                 | |
| 12 | 100 | 
                                    
                                    4.9%
                                 | |
| 44 | marked on card | 70 | 
                                    
                                    3.4%
                                 | 
| 66 | mother reported | 38 | 
                                    
                                    1.9%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| 99 | missing | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 13304 |