| Value | Category | Cases | |
|---|---|---|---|
| 0 | 112 | 
                                    
                                    23.4%
                                 | |
| 1 | 231 | 
                                    
                                    48.2%
                                 | |
| 2 | 36 | 
                                    
                                    7.5%
                                 | |
| 3 | 23 | 
                                    
                                    4.8%
                                 | |
| 4 | 74 | 
                                    
                                    15.4%
                                 | |
| 5 | 2 | 
                                    
                                    0.4%
                                 | |
| 6 | 1 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 1062 |