| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 | 
                                    
                                    0.5%
                                 | |
| 2 | 19 | 
                                    
                                    1.7%
                                 | |
| 3 | 34 | 
                                    
                                    3%
                                 | |
| 4 | 310 | 
                                    
                                    27.8%
                                 | |
| 5 | 746 | 
                                    
                                    66.9%
                                 | |
| Sysmiss | 351 |