| Value | Category | Cases | |
|---|---|---|---|
| 1 | one | 6717 | 
                                                                 
                                    
                                    99.8%
                                 
                                                             | 
                                                        
                    
| 2 | two | 14 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 3 | more than two | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 99906 |