| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 | 
                                    
                                    8.4%
                                 | 
| -6 | NO PAYMENT HAS YET BEEN RECEIVED | 0 | 
                                    
                                    0%
                                 | 
| 1 | Less than one day | 2 | 
                                    
                                    1.1%
                                 | 
| 5 | 3 | 
                                    
                                    1.7%
                                 | |
| 7 | 9 | 
                                    
                                    5%
                                 | |
| 8 | 1 | 
                                    
                                    0.6%
                                 | |
| 10 | 4 | 
                                    
                                    2.2%
                                 | |
| 14 | 6 | 
                                    
                                    3.4%
                                 | |
| 15 | 3 | 
                                    
                                    1.7%
                                 | |
| 20 | 3 | 
                                    
                                    1.7%
                                 | |
| 30 | 76 | 
                                    
                                    42.5%
                                 | |
| 35 | 1 | 
                                    
                                    0.6%
                                 | |
| 40 | 1 | 
                                    
                                    0.6%
                                 | |
| 45 | 12 | 
                                    
                                    6.7%
                                 | |
| 60 | 22 | 
                                    
                                    12.3%
                                 | |
| 75 | 1 | 
                                    
                                    0.6%
                                 | |
| 90 | 13 | 
                                    
                                    7.3%
                                 | |
| 150 | 1 | 
                                    
                                    0.6%
                                 | |
| 180 | 6 | 
                                    
                                    3.4%
                                 | |
| Sysmiss | 433 |