| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 | 
                                    
                                    4%
                                 | 
| -6 | NO PAYMENT HAS YET BEEN RECEIVED | 1 | 
                                    
                                    0.5%
                                 | 
| 1 | Less than one day | 3 | 
                                    
                                    1.5%
                                 | 
| 2 | 1 | 
                                    
                                    0.5%
                                 | |
| 7 | 1 | 
                                    
                                    0.5%
                                 | |
| 10 | 1 | 
                                    
                                    0.5%
                                 | |
| 14 | 1 | 
                                    
                                    0.5%
                                 | |
| 18 | 1 | 
                                    
                                    0.5%
                                 | |
| 20 | 2 | 
                                    
                                    1%
                                 | |
| 29 | 1 | 
                                    
                                    0.5%
                                 | |
| 30 | 155 | 
                                    
                                    76.7%
                                 | |
| 31 | 1 | 
                                    
                                    0.5%
                                 | |
| 33 | 2 | 
                                    
                                    1%
                                 | |
| 35 | 1 | 
                                    
                                    0.5%
                                 | |
| 38 | 1 | 
                                    
                                    0.5%
                                 | |
| 40 | 2 | 
                                    
                                    1%
                                 | |
| 45 | 9 | 
                                    
                                    4.5%
                                 | |
| 50 | 1 | 
                                    
                                    0.5%
                                 | |
| 60 | 7 | 
                                    
                                    3.5%
                                 | |
| 75 | 1 | 
                                    
                                    0.5%
                                 | |
| 90 | 1 | 
                                    
                                    0.5%
                                 | |
| 270 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 398 |