| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 42 | 
                                    
                                    1.6%
                                 | 
| 0 | Payment received in less than a day | 721 | 
                                    
                                    27.8%
                                 | 
| 1 | 532 | 
                                    
                                    20.5%
                                 | |
| 2 | 934 | 
                                    
                                    36%
                                 | |
| 3 | 254 | 
                                    
                                    9.8%
                                 | |
| 4 | 26 | 
                                    
                                    1%
                                 | |
| 5 | 38 | 
                                    
                                    1.5%
                                 | |
| 6 | 5 | 
                                    
                                    0.2%
                                 | |
| 7 | 30 | 
                                    
                                    1.2%
                                 | |
| 10 | 7 | 
                                    
                                    0.3%
                                 | |
| 15 | 3 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 105 |