| Value | Category | Cases | |
|---|---|---|---|
| 1 | 67 | 
                                    
                                    17.2%
                                 | |
| 2 | 6 | 
                                    
                                    1.5%
                                 | |
| 3 | 10 | 
                                    
                                    2.6%
                                 | |
| 4 | 288 | 
                                    
                                    73.8%
                                 | |
| 5 | 19 | 
                                    
                                    4.9%
                                 | |
| Sysmiss | 8806 |