| Value | Category | Cases | |
|---|---|---|---|
| 0 | 624 | 
                                    
                                    39.8%
                                 | |
| 1 | 860 | 
                                    
                                    54.9%
                                 | |
| 2 | 62 | 
                                    
                                    4%
                                 | |
| 3 | 13 | 
                                    
                                    0.8%
                                 | |
| 4 | 5 | 
                                    
                                    0.3%
                                 | |
| 5 | 2 | 
                                    
                                    0.1%
                                 | |
| 8 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 18689 |