| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 61 | 
                                                                 
                                    
                                    8.4%
                                 
                                                             | 
                                                        
                    
| -5 | Refund still outstanding | 70 | 
                                                                 
                                    
                                    9.7%
                                 
                                                             | 
                                                        
                    
| 1 | One week or less | 70 | 
                                                                 
                                    
                                    9.7%
                                 
                                                             | 
                                                        
                    
| 2 | 8 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 3 | 79 | 
                                                                 
                                    
                                    10.9%
                                 
                                                             | 
                                                        
                    |
| 4 | 169 | 
                                                                 
                                    
                                    23.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 65 | 
                                                                 
                                    
                                    9%
                                 
                                                             | 
                                                        
                    |
| 6 | 50 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    |
| 7 | 9 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 8 | 39 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             | 
                                                        
                    |
| 9 | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 10 | 18 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 12 | 18 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 14 | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 15 | 5 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 16 | 5 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    |
| 20 | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 21 | 12 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    |
| 22 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| 24 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 25 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 30 | 21 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 35 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 40 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 45 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 50 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 60 | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| 90 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 120 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1000 |