| Value | Category | Cases | |
|---|---|---|---|
| 1 | 361 | 
                                    
                                    30.3%
                                 | |
| 2 | 832 | 
                                    
                                    69.7%
                                 | |
| 99 | ND | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 307 |