| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 29 | 
                                    
                                    0.4%
                                 | 
| 3 | No | 3372 | 
                                    
                                    43.7%
                                 | 
| 9 | N/A | 4313 | 
                                    
                                    55.9%
                                 | 
| Sysmiss | 1378 |