| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 61 | 
                                    
                                    0.8%
                                 | 
| 3 | No | 3263 | 
                                    
                                    42.3%
                                 | 
| 9 | N/A | 4390 | 
                                    
                                    56.9%
                                 | 
| Sysmiss | 1378 |