| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    1.3%
                                 | |
| 1 | 23 | 
                                    
                                    30.7%
                                 | |
| 2 | 19 | 
                                    
                                    25.3%
                                 | |
| 3 | 32 | 
                                    
                                    42.7%
                                 | |
| Sysmiss | 25509 |