| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 | 
                                    
                                    0.4%
                                 | |
| 1 | 155 | 
                                    
                                    23%
                                 | |
| 2 | 156 | 
                                    
                                    23.1%
                                 | |
| 3 | 132 | 
                                    
                                    19.6%
                                 | |
| 4 | 77 | 
                                    
                                    11.4%
                                 | |
| 5 | 28 | 
                                    
                                    4.1%
                                 | |
| 6 | 124 | 
                                    
                                    18.4%
                                 | |
| Sysmiss | 24909 |