| Value | Category | Cases | |
|---|---|---|---|
| 1 | 23 | 
                                    
                                    0.6%
                                 | |
| 2 | 61 | 
                                    
                                    1.6%
                                 | |
| 3 | 98 | 
                                    
                                    2.5%
                                 | |
| 4 | 148 | 
                                    
                                    3.8%
                                 | |
| 5 | 227 | 
                                    
                                    5.9%
                                 | |
| 6 | 388 | 
                                    
                                    10.1%
                                 | |
| 7 | 2189 | 
                                    
                                    56.7%
                                 | |
| 8 | 724 | 
                                    
                                    18.8%
                                 | |
| Sysmiss | 1 |