| Value | Category | Cases | |
|---|---|---|---|
| 2 | NON | 350 | 
                                    
                                    1.9%
                                 | 
| 2 | NON | 300 | 
                                    
                                    1.6%
                                 | 
| Sysmiss | 18162 | 
                                    
                                    96.5%
                                 |