| Value | Category | Cases | |
|---|---|---|---|
| 0 | NOT GIVEN | 0 | 
                                    
                                    0%
                                 | 
| 2016 | 139 | 
                                    
                                    3.7%
                                 | |
| 2017 | 1369 | 
                                    
                                    36.2%
                                 | |
| 2018 | 1342 | 
                                    
                                    35.5%
                                 | |
| 2019 | 886 | 
                                    
                                    23.4%
                                 | |
| 2020 | 46 | 
                                    
                                    1.2%
                                 | |
| 4444 | MARKED ON CARD | 0 | 
                                    
                                    0%
                                 | 
| 6666 | MOTHER REPORTED | 0 | 
                                    
                                    0%
                                 | 
| 9997 | Inconsistent | 0 | 
                                    
                                    0%
                                 | 
| 9999 | NO RESPONSE | 2 | 
                                    
                                    0.1%
                                 | 
| Sysmiss | 21854 |