| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 | 
                                    
                                    0.8%
                                 | |
| 1 | 98 | 
                                    
                                    3.6%
                                 | |
| 2 | 296 | 
                                    
                                    10.7%
                                 | |
| 3 | 648 | 
                                    
                                    23.5%
                                 | |
| 4 | 947 | 
                                    
                                    34.3%
                                 | |
| 5 | 649 | 
                                    
                                    23.5%
                                 | |
| 6 | 98 | 
                                    
                                    3.6%
                                 | |
| Sysmiss | 883 |