| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 | 
                                    
                                    8.5%
                                 | |
| 1 | 27 | 
                                    
                                    45.8%
                                 | |
| 2 | 12 | 
                                    
                                    20.3%
                                 | |
| 3 | 9 | 
                                    
                                    15.3%
                                 | |
| 4 | 5 | 
                                    
                                    8.5%
                                 | |
| 5 | 1 | 
                                    
                                    1.7%
                                 | |
| Sysmiss | 1441 |