| Value | Category | Cases | |
|---|---|---|---|
| 0 | 307 | 
                                    
                                    25.8%
                                 | |
| 1 | 625 | 
                                    
                                    52.5%
                                 | |
| 2 | 211 | 
                                    
                                    17.7%
                                 | |
| 3 | 32 | 
                                    
                                    2.7%
                                 | |
| 4 | 12 | 
                                    
                                    1%
                                 | |
| 5 | 1 | 
                                    
                                    0.1%
                                 | |
| 6 | 1 | 
                                    
                                    0.1%
                                 | |
| 8 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 19066 |