| Value | Category | Cases | |
|---|---|---|---|
| 0 | not given | 178 | 
                                    
                                    8.7%
                                 | 
| 1 | 202 | 
                                    
                                    9.9%
                                 | |
| 2 | 185 | 
                                    
                                    9%
                                 | |
| 3 | 179 | 
                                    
                                    8.7%
                                 | |
| 4 | 134 | 
                                    
                                    6.5%
                                 | |
| 5 | 148 | 
                                    
                                    7.2%
                                 | |
| 6 | 141 | 
                                    
                                    6.9%
                                 | |
| 7 | 100 | 
                                    
                                    4.9%
                                 | |
| 8 | 121 | 
                                    
                                    5.9%
                                 | |
| 9 | 123 | 
                                    
                                    6%
                                 | |
| 10 | 139 | 
                                    
                                    6.8%
                                 | |
| 11 | 146 | 
                                    
                                    7.1%
                                 | |
| 12 | 163 | 
                                    
                                    8%
                                 | |
| 44 | marked on card | 66 | 
                                    
                                    3.2%
                                 | 
| 66 | mother reported | 21 | 
                                    
                                    1%
                                 | 
| 97 | inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| 99 | missing | 1 | 
                                    
                                    0%
                                 | 
| Sysmiss | 13304 |