| Value | Category | Cases | |
|---|---|---|---|
| 0 | 638 | 
                                    
                                    35.4%
                                 | |
| 1 | 1039 | 
                                    
                                    57.7%
                                 | |
| 2 | 124 | 
                                    
                                    6.9%
                                 | |
| Sysmiss | 74 |