| Value | Category | Cases | |
|---|---|---|---|
| 0 | 310 | 
                                    
                                    15.5%
                                 | |
| 1 | 59 | 
                                    
                                    3%
                                 | |
| 2 | 119 | 
                                    
                                    6%
                                 | |
| 3 | 143 | 
                                    
                                    7.2%
                                 | |
| 4 | 61 | 
                                    
                                    3.1%
                                 | |
| 5 | 27 | 
                                    
                                    1.4%
                                 | |
| 6 | 4 | 
                                    
                                    0.2%
                                 | |
| 7 | 1276 | 
                                    
                                    63.8%
                                 | |
| Sysmiss | 1 |