| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 | 
                                    
                                    23.8%
                                 | |
| 1 | 13 | 
                                    
                                    20.6%
                                 | |
| 2 | 22 | 
                                    
                                    34.9%
                                 | |
| 3 | 5 | 
                                    
                                    7.9%
                                 | |
| 4 | 6 | 
                                    
                                    9.5%
                                 | |
| 5 | 1 | 
                                    
                                    1.6%
                                 | |
| 29 | 1 | 
                                    
                                    1.6%
                                 | |
| Sysmiss | 9 |