| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 448 | 
                                    
                                    28.6%
                                 | 
| 2 | NO | 121 | 
                                    
                                    7.7%
                                 | 
| Sysmiss | 995 | 
                                    
                                    63.6%
                                 |