| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 
                                    
                                    0.1%
                                 | |
| 3 | 8 | 
                                    
                                    1%
                                 | |
| 4 | 215 | 
                                    
                                    27.2%
                                 | |
| 5 | 263 | 
                                    
                                    33.3%
                                 | |
| 6 | 280 | 
                                    
                                    35.5%
                                 | |
| 7 | 13 | 
                                    
                                    1.6%
                                 | |
| 9 | 1 | 
                                    
                                    0.1%
                                 | |
| 10 | 1 | 
                                    
                                    0.1%
                                 | |
| 11 | 3 | 
                                    
                                    0.4%
                                 | |
| 12 | 4 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 7 |