| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 212 | 
                                    
                                    97.7%
                                 | 
| 2 | One | 5 | 
                                    
                                    2.3%
                                 | 
| 3 | Two | 0 | 
                                    
                                    0%
                                 | 
| 4 | Three | 0 | 
                                    
                                    0%
                                 | 
| 5 | More than three | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 34 |