| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    9.3%
                                 | |
| 1 | 14 | 
                                    
                                    32.6%
                                 | |
| 2 | 16 | 
                                    
                                    37.2%
                                 | |
| 3 | 2 | 
                                    
                                    4.7%
                                 | |
| 4 | 2 | 
                                    
                                    4.7%
                                 | |
| 5 | 4 | 
                                    
                                    9.3%
                                 | |
| 6 | 1 | 
                                    
                                    2.3%
                                 | |
| Sysmiss | 17490 |