| Value | Category | Cases | |
|---|---|---|---|
| 0 | 51 | 
                                    
                                    3.4%
                                 | |
| 1 | 445 | 
                                    
                                    29.4%
                                 | |
| 2 | 329 | 
                                    
                                    21.7%
                                 | |
| 3 | 232 | 
                                    
                                    15.3%
                                 | |
| 4 | 78 | 
                                    
                                    5.2%
                                 | |
| 5 | 175 | 
                                    
                                    11.6%
                                 | |
| 6 | 204 | 
                                    
                                    13.5%
                                 | |
| Sysmiss | 24070 |