| Value | Category | Cases | |
|---|---|---|---|
| -77 | Other, specify | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -66 | Refused to answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Mozambique | 6 | 
                                                                 
                                    
                                    37.5%
                                 
                                                             | 
                                                        
                    
| 2 | Zambia | 4 | 
                                                                 
                                    
                                    25%
                                 
                                                             | 
                                                        
                    
| 3 | Tanzania | 6 | 
                                                                 
                                    
                                    37.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3596 |