| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 | 
                                    
                                    2.7%
                                 | |
| 1 | 46 | 
                                    
                                    63%
                                 | |
| 2 | 14 | 
                                    
                                    19.2%
                                 | |
| 3 | 4 | 
                                    
                                    5.5%
                                 | |
| 4 | 2 | 
                                    
                                    2.7%
                                 | |
| 5 | 3 | 
                                    
                                    4.1%
                                 | |
| 6 | 1 | 
                                    
                                    1.4%
                                 | |
| 9 | 1 | 
                                    
                                    1.4%
                                 | |
| Sysmiss | 1 |