| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 
                                    
                                    0.3%
                                 | |
| 2 | 1 | 
                                    
                                    0.1%
                                 | |
| 3 | 9 | 
                                    
                                    1.1%
                                 | |
| 4 | 216 | 
                                    
                                    27.3%
                                 | |
| 5 | 266 | 
                                    
                                    33.6%
                                 | |
| 6 | 281 | 
                                    
                                    35.5%
                                 | |
| 7 | 13 | 
                                    
                                    1.6%
                                 | |
| 11 | 2 | 
                                    
                                    0.3%
                                 | |
| 12 | 2 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 4 |