| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 | 
                                    
                                    1.2%
                                 | |
| 1 | 323 | 
                                    
                                    26.3%
                                 | |
| 2 | 501 | 
                                    
                                    40.9%
                                 | |
| 3 | 237 | 
                                    
                                    19.3%
                                 | |
| 4 | 96 | 
                                    
                                    7.8%
                                 | |
| 5 | 32 | 
                                    
                                    2.6%
                                 | |
| 6 | 14 | 
                                    
                                    1.1%
                                 | |
| 7 | 5 | 
                                    
                                    0.4%
                                 | |
| 8 | 1 | 
                                    
                                    0.1%
                                 | |
| 10 | 2 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 1 |