| Value | Category | Cases | |
|---|---|---|---|
| 0 | 185 | 
                                    
                                    14.1%
                                 | |
| 1 | 64 | 
                                    
                                    4.9%
                                 | |
| 2 | 108 | 
                                    
                                    8.2%
                                 | |
| 3 | 143 | 
                                    
                                    10.9%
                                 | |
| 4 | 94 | 
                                    
                                    7.1%
                                 | |
| 5 | 68 | 
                                    
                                    5.2%
                                 | |
| 6 | 33 | 
                                    
                                    2.5%
                                 | |
| 7 | 620 | 
                                    
                                    47.1%
                                 | |
| 500 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 2 |