| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                    
                                    2.6%
                                 | 
| 0 | Payment received in less than a day | 16 | 
                                    
                                    42.1%
                                 | 
| 1 | 4 | 
                                    
                                    10.5%
                                 | |
| 2 | 4 | 
                                    
                                    10.5%
                                 | |
| 3 | 7 | 
                                    
                                    18.4%
                                 | |
| 5 | 5 | 
                                    
                                    13.2%
                                 | |
| 7 | 1 | 
                                    
                                    2.6%
                                 | |
| Sysmiss | 73 |