| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 | 
                                    
                                    0.3%
                                 | |
| 2 | 18 | 
                                    
                                    1.6%
                                 | |
| 3 | 48 | 
                                    
                                    4.3%
                                 | |
| 4 | 387 | 
                                    
                                    34.7%
                                 | |
| 5 | 659 | 
                                    
                                    59.1%
                                 | |
| Sysmiss | 351 |