| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 | 
                                    
                                    0.9%
                                 | |
| 1 | 60 | 
                                    
                                    27.9%
                                 | |
| 2 | 66 | 
                                    
                                    30.7%
                                 | |
| 3 | 56 | 
                                    
                                    26%
                                 | |
| 4 | 16 | 
                                    
                                    7.4%
                                 | |
| 5 | 6 | 
                                    
                                    2.8%
                                 | |
| 6 | 5 | 
                                    
                                    2.3%
                                 | |
| 7 | 3 | 
                                    
                                    1.4%
                                 | |
| 8 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 1 |