| Value | Category | Cases | |
|---|---|---|---|
| 0 | 421 | 
                                    
                                    32%
                                 | |
| 1 | 86 | 
                                    
                                    6.5%
                                 | |
| 2 | 167 | 
                                    
                                    12.7%
                                 | |
| 3 | 191 | 
                                    
                                    14.5%
                                 | |
| 4 | 99 | 
                                    
                                    7.5%
                                 | |
| 5 | 48 | 
                                    
                                    3.6%
                                 | |
| 6 | 8 | 
                                    
                                    0.6%
                                 | |
| 7 | 297 | 
                                    
                                    22.6%
                                 | |
| Sysmiss | 1 |