| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 35 | 
                                    
                                    92.1%
                                 | 
| 2 | One | 3 | 
                                    
                                    7.9%
                                 | 
| 3 | Two | 0 | 
                                    
                                    0%
                                 | 
| 4 | Three | 0 | 
                                    
                                    0%
                                 | 
| 5 | More than three | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 338 |