| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 33 | 
                                    
                                    86.8%
                                 | 
| 2 | One | 2 | 
                                    
                                    5.3%
                                 | 
| 3 | Two | 0 | 
                                    
                                    0%
                                 | 
| 4 | Three | 1 | 
                                    
                                    2.6%
                                 | 
| 5 | More than three | 2 | 
                                    
                                    5.3%
                                 | 
| Sysmiss | 338 |