| Value | Category | Cases | |
|---|---|---|---|
| 2 | NON | 4844 | 
                                    
                                    25.7%
                                 | 
| 2 | NON | 1390 | 
                                    
                                    7.4%
                                 | 
| Sysmiss | 12578 | 
                                    
                                    66.9%
                                 |