| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month | 428 | 
                                                                 
                                    
                                    65.6%
                                 
                                                             | 
                                                        
                    
| 2 | Year | 93 | 
                                                                 
                                    
                                    14.3%
                                 
                                                             | 
                                                        
                    
| 3 | Have annual & monthly income | 9 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 4 | Don't know amount for either | 105 | 
                                                                 
                                    
                                    16.1%
                                 
                                                             | 
                                                        
                    
| 5 | Refused | 17 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 7919 |