| Value | Category | Cases | |
|---|---|---|---|
| 0 | 143 | 
                                    
                                    2%
                                 | |
| 1 | 139 | 
                                    
                                    2%
                                 | |
| 2 | 415 | 
                                    
                                    5.9%
                                 | |
| 3 | 581 | 
                                    
                                    8.3%
                                 | |
| 4 | 617 | 
                                    
                                    8.8%
                                 | |
| 5 | 909 | 
                                    
                                    13%
                                 | |
| 6 | 600 | 
                                    
                                    8.6%
                                 | |
| 7 | 3605 | 
                                    
                                    51.4%
                                 | |
| Sysmiss | 1 |