| Value | Category | Cases | |
|---|---|---|---|
| -1 | 11163 | 
                                                                 
                                    
                                    68.4%
                                 
                                                             | 
                                                        
                    |
| 0 | 2382 | 
                                                                 
                                    
                                    14.6%
                                 
                                                             | 
                                                        
                    |
| 1 | 2781 | 
                                                                 
                                    
                                    17%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 244 |