| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 | 
                                    
                                    0.6%
                                 | |
| 1 | 471 | 
                                    
                                    16.3%
                                 | |
| 2 | 556 | 
                                    
                                    19.2%
                                 | |
| 3 | 526 | 
                                    
                                    18.2%
                                 | |
| 4 | 297 | 
                                    
                                    10.3%
                                 | |
| 5 | 132 | 
                                    
                                    4.6%
                                 | |
| 6 | 892 | 
                                    
                                    30.9%
                                 | |
| Sysmiss | 22693 |