| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 507 | 
                                    
                                    12%
                                 | 
| 2 | NO | 486 | 
                                    
                                    11.5%
                                 | 
| Sysmiss | 3242 | 
                                    
                                    76.6%
                                 |