| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 18 | 
                                    
                                    1.5%
                                 | 
| 2 | No | 1115 | 
                                    
                                    92.9%
                                 | 
| 99 | Missing data | 67 | 
                                    
                                    5.6%
                                 |