| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    6.6%
                                 | |
| 2 | 1 | 
                                    
                                    1.6%
                                 | |
| 4 | 30 | 
                                    
                                    49.2%
                                 | |
| 5 | 21 | 
                                    
                                    34.4%
                                 | |
| 6 | 3 | 
                                    
                                    4.9%
                                 | |
| 20 | 2 | 
                                    
                                    3.3%
                                 | |
| Sysmiss | 118343 |