| Value | Category | Cases | |
|---|---|---|---|
| 0 | 868 | 
                                    
                                    65.9%
                                 | |
| 1 | 168 | 
                                    
                                    12.8%
                                 | |
| 2 | 139 | 
                                    
                                    10.6%
                                 | |
| 3 | 83 | 
                                    
                                    6.3%
                                 | |
| 4 | 21 | 
                                    
                                    1.6%
                                 | |
| 5 | 13 | 
                                    
                                    1%
                                 | |
| 6 | 7 | 
                                    
                                    0.5%
                                 | |
| 7 | 18 | 
                                    
                                    1.4%
                                 | |
| Sysmiss | 1 |