| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 51 | 
                                                                 
                                    
                                    16%
                                 
                                                             | 
                                                        
                    
| -5 | Refund still outstanding | 33 | 
                                                                 
                                    
                                    10.4%
                                 
                                                             | 
                                                        
                    
| 1 | One week or less | 25 | 
                                                                 
                                    
                                    7.9%
                                 
                                                             | 
                                                        
                    
| 2 | 16 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 3 | 26 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    |
| 4 | 41 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    |
| 5 | 45 | 
                                                                 
                                    
                                    14.2%
                                 
                                                             | 
                                                        
                    |
| 6 | 26 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    |
| 7 | 4 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 8 | 11 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    |
| 10 | 6 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 12 | 11 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    |
| 15 | 3 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 16 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 17 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 20 | 2 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 23 | 3 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| 24 | 9 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    |
| 25 | 2 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 30 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 35 | 1 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 898 |