| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    1.4%
                                 | |
| 1 | 19 | 
                                    
                                    25.7%
                                 | |
| 2 | 15 | 
                                    
                                    20.3%
                                 | |
| 3 | 15 | 
                                    
                                    20.3%
                                 | |
| 4 | 24 | 
                                    
                                    32.4%
                                 | |
| Sysmiss | 25510 |