| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month | 59 | 
                                                                 
                                    
                                    63.4%
                                 
                                                             | 
                                                        
                    
| 2 | Year | 16 | 
                                                                 
                                    
                                    17.2%
                                 
                                                             | 
                                                        
                    
| 3 | Have annual & monthly income | 1 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 4 | Don't know amount for either | 14 | 
                                                                 
                                    
                                    15.1%
                                 
                                                             | 
                                                        
                    
| 5 | Refused | 3 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 8478 |