| Value | Category | Cases | |
|---|---|---|---|
| 0 | not given | 518 | 
                                    
                                    25.3%
                                 | 
| 1 | 143 | 
                                    
                                    7%
                                 | |
| 2 | 158 | 
                                    
                                    7.7%
                                 | |
| 3 | 143 | 
                                    
                                    7%
                                 | |
| 4 | 111 | 
                                    
                                    5.4%
                                 | |
| 5 | 118 | 
                                    
                                    5.8%
                                 | |
| 6 | 102 | 
                                    
                                    5%
                                 | |
| 7 | 118 | 
                                    
                                    5.8%
                                 | |
| 8 | 92 | 
                                    
                                    4.5%
                                 | |
| 9 | 114 | 
                                    
                                    5.6%
                                 | |
| 10 | 95 | 
                                    
                                    4.6%
                                 | |
| 11 | 117 | 
                                    
                                    5.7%
                                 | |
| 12 | 122 | 
                                    
                                    6%
                                 | |
| 44 | marked on card | 71 | 
                                    
                                    3.5%
                                 | 
| 66 | mother reported | 25 | 
                                    
                                    1.2%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| 99 | missing | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 13304 |