| Value | Category | Cases | |
|---|---|---|---|
| 0 | 41 | 
                                    
                                    61.2%
                                 | |
| 1 | 17 | 
                                    
                                    25.4%
                                 | |
| 2 | 5 | 
                                    
                                    7.5%
                                 | |
| 3 | 3 | 
                                    
                                    4.5%
                                 | |
| 5 | 1 | 
                                    
                                    1.5%
                                 | |
| Sysmiss | 1433 |