| Value | Category | Cases | |
|---|---|---|---|
| 1 | 639 | 
                                    
                                    43.3%
                                 | |
| 2 | 838 | 
                                    
                                    56.7%
                                 | |
| 99 | ND | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 23 |