| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 | 
                                    
                                    9.4%
                                 | 
| -6 | NO PAYMENT HAS YET BEEN RECEIVED | 0 | 
                                    
                                    0%
                                 | 
| 1 | Less than one day | 0 | 
                                    
                                    0%
                                 | 
| 7 | 2 | 
                                    
                                    3.1%
                                 | |
| 15 | 1 | 
                                    
                                    1.6%
                                 | |
| 20 | 2 | 
                                    
                                    3.1%
                                 | |
| 21 | 1 | 
                                    
                                    1.6%
                                 | |
| 30 | 5 | 
                                    
                                    7.8%
                                 | |
| 40 | 1 | 
                                    
                                    1.6%
                                 | |
| 45 | 4 | 
                                    
                                    6.3%
                                 | |
| 60 | 7 | 
                                    
                                    10.9%
                                 | |
| 90 | 11 | 
                                    
                                    17.2%
                                 | |
| 120 | 5 | 
                                    
                                    7.8%
                                 | |
| 150 | 1 | 
                                    
                                    1.6%
                                 | |
| 180 | 13 | 
                                    
                                    20.3%
                                 | |
| 270 | 1 | 
                                    
                                    1.6%
                                 | |
| 300 | 1 | 
                                    
                                    1.6%
                                 | |
| 360 | 3 | 
                                    
                                    4.7%
                                 | |
| Sysmiss | 581 |