| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 | 
                                    
                                    0.4%
                                 | |
| 2 | 2 | 
                                    
                                    0.3%
                                 | |
| 3 | 8 | 
                                    
                                    1%
                                 | |
| 4 | 234 | 
                                    
                                    29.5%
                                 | |
| 5 | 278 | 
                                    
                                    35.1%
                                 | |
| 6 | 265 | 
                                    
                                    33.4%
                                 | |
| 7 | 1 | 
                                    
                                    0.1%
                                 | |
| 11 | 2 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 3 |