| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| -6 | NO PAYMENT HAS YET BEEN RECEIVED | 4 | 
                                    
                                    10.8%
                                 | 
| 1 | Less than one day | 0 | 
                                    
                                    0%
                                 | 
| 3 | 1 | 
                                    
                                    2.7%
                                 | |
| 7 | 3 | 
                                    
                                    8.1%
                                 | |
| 15 | 2 | 
                                    
                                    5.4%
                                 | |
| 30 | 10 | 
                                    
                                    27%
                                 | |
| 45 | 3 | 
                                    
                                    8.1%
                                 | |
| 48 | 1 | 
                                    
                                    2.7%
                                 | |
| 60 | 5 | 
                                    
                                    13.5%
                                 | |
| 90 | 4 | 
                                    
                                    10.8%
                                 | |
| 120 | 1 | 
                                    
                                    2.7%
                                 | |
| 180 | 2 | 
                                    
                                    5.4%
                                 | |
| 270 | 1 | 
                                    
                                    2.7%
                                 | |
| Sysmiss | 326 |