| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2600 | 
                                    
                                    84.2%
                                 | 
| 1 | Yes | 475 | 
                                    
                                    15.4%
                                 | 
| 98 | I do not know | 13 | 
                                    
                                    0.4%
                                 | 
| 99 | Refused | 1 | 
                                    
                                    0%
                                 |