| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 | 
                                    
                                    5.6%
                                 | |
| 1 | 111 | 
                                    
                                    23.1%
                                 | |
| 2 | 161 | 
                                    
                                    33.5%
                                 | |
| 3 | 130 | 
                                    
                                    27%
                                 | |
| 4 | 37 | 
                                    
                                    7.7%
                                 | |
| 5 | 15 | 
                                    
                                    3.1%
                                 | |
| Sysmiss | 215 |