| Value | Category | Cases | |
|---|---|---|---|
| 0 | 37 | 
                                    
                                    3.6%
                                 | |
| 1 | 250 | 
                                    
                                    24.5%
                                 | |
| 2 | 395 | 
                                    
                                    38.7%
                                 | |
| 3 | 254 | 
                                    
                                    24.9%
                                 | |
| 4 | 63 | 
                                    
                                    6.2%
                                 | |
| 5 | 15 | 
                                    
                                    1.5%
                                 | |
| 6 | 4 | 
                                    
                                    0.4%
                                 | |
| 7 | 1 | 
                                    
                                    0.1%
                                 | |
| 8 | 2 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 4 |