| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1600 | 
                                
                                28.3%
                             | 
| 1 | Yes | 3957 | 
                                
                                70.1%
                             | 
| 5 | Missing | 1 | 
                                
                                0%
                             | 
| 6 | Other | 0 | 
                                
                                0%
                             | 
| 7 | Refusal | 0 | 
                                
                                0%
                             | 
| 8 | DK | 2 | 
                                
                                0%
                             | 
| 9 | NA | 86 | 
                                
                                1.5%
                             |