| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month | 304 | 
                                                                 
                                    
                                    16.7%
                                 
                                                             | 
                                                        
                    
| 2 | Year | 1168 | 
                                                                 
                                    
                                    64.1%
                                 
                                                             | 
                                                        
                    
| 3 | Have annual & monthly income | 26 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 4 | Don't know amount for either | 284 | 
                                                                 
                                    
                                    15.6%
                                 
                                                             | 
                                                        
                    
| 5 | Refused | 40 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6749 |