| Value | Category | Cases | |
|---|---|---|---|
| 2 | NO | 5008 | 
                                    
                                    35%
                                 | 
| 2 | NO | 4197 | 
                                    
                                    29.4%
                                 | 
| Sysmiss | 5092 | 
                                    
                                    35.6%
                                 |