| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                
                                1.6%
                             | |
| 10 | 1 | 
                                
                                0.4%
                             | |
| 500 | 1 | 
                                
                                0.4%
                             | |
| 9993 | nothing done/not taken to HF | 6 | 
                                
                                2.3%
                             | 
| 9994 | mother not working | 0 | 
                                
                                0%
                             | 
| 9995 | miss | 0 | 
                                
                                0%
                             | 
| 9999 | na | 244 | 
                                
                                95.3%
                             | 
| Sysmiss | 2502 |