| Value | Category | Cases | |
|---|---|---|---|
| 1 | Month | 204 | 
                                                                 
                                    
                                    89.5%
                                 
                                                             | 
                                                        
                    
| 2 | Year | 11 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    
| 3 | Have annual & monthly income | 1 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 4 | Don't know amount for either | 6 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    
| 5 | Refused | 6 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 8343 |