| Value | Category | Cases | |
|---|---|---|---|
| 2 | NON | 240 | 
                                    
                                    2.7%
                                 | 
| 2 | NON | 197 | 
                                    
                                    2.2%
                                 | 
| Sysmiss | 8543 | 
                                    
                                    95.1%
                                 |