| Value | Category | Cases | |
|---|---|---|---|
| 0 | 766 | 
                                    
                                    67%
                                 | |
| 1 | 125 | 
                                    
                                    10.9%
                                 | |
| 2 | 156 | 
                                    
                                    13.6%
                                 | |
| 3 | 67 | 
                                    
                                    5.9%
                                 | |
| 4 | 21 | 
                                    
                                    1.8%
                                 | |
| 5 | 7 | 
                                    
                                    0.6%
                                 | |
| 7 | 2 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 2594 |