| Value | Category | Cases | |
|---|---|---|---|
| 2 | NON | 1726 | 
                                    
                                    9.2%
                                 | 
| 2 | NON | 1259 | 
                                    
                                    6.7%
                                 | 
| Sysmiss | 15827 | 
                                    
                                    84.1%
                                 |