| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                                                 
                                    
                                    14.8%
                                 
                                                             | 
                                                        
                    |
| 1 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 6 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 11 | 3 | 
                                                                 
                                    
                                    11.1%
                                 
                                                             | 
                                                        
                    |
| 12 | 3 | 
                                                                 
                                    
                                    11.1%
                                 
                                                             | 
                                                        
                    |
| 14 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 24 | 2 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    |
| 96 | More than 3 years ago | 9 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    
| 98 | Don't know | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6454 |