| Value | Category | Cases | |
|---|---|---|---|
| 0 | 28 | 
                                    
                                    1.4%
                                 | |
| 1 | 540 | 
                                    
                                    27.1%
                                 | |
| 2 | 404 | 
                                    
                                    20.3%
                                 | |
| 3 | 356 | 
                                    
                                    17.9%
                                 | |
| 4 | 192 | 
                                    
                                    9.6%
                                 | |
| 5 | 470 | 
                                    
                                    23.6%
                                 | |
| Sysmiss | 23594 |