| Value | Category | Cases | |
|---|---|---|---|
| 2 | NON | 348 | 
                                    
                                    3.9%
                                 | 
| 2 | NON | 70 | 
                                    
                                    0.8%
                                 | 
| Sysmiss | 8562 | 
                                    
                                    95.3%
                                 |