| Value | Category | Cases | |
|---|---|---|---|
| 1 | 85 | 
                                    
                                    4.9%
                                 | |
| 2 | 226 | 
                                    
                                    13.1%
                                 | |
| 3 | 495 | 
                                    
                                    28.8%
                                 | |
| 4 | 454 | 
                                    
                                    26.4%
                                 | |
| 5 | 260 | 
                                    
                                    15.1%
                                 | |
| 6 | 143 | 
                                    
                                    8.3%
                                 | |
| 7 | 44 | 
                                    
                                    2.6%
                                 | |
| 9 | not applicable | 12 | 
                                    
                                    0.7%
                                 | 
| Sysmiss | 436 |