| Value | Category | Cases | |
|---|---|---|---|
| 0 | 31 | 
                                    
                                    32.3%
                                 | |
| 1 | 35 | 
                                    
                                    36.5%
                                 | |
| 2 | 21 | 
                                    
                                    21.9%
                                 | |
| 3 | 7 | 
                                    
                                    7.3%
                                 | |
| 4 | 2 | 
                                    
                                    2.1%
                                 | |
| Sysmiss | 453 |