| Value | Category | Cases | |
|---|---|---|---|
| -8 | Don’t know | 72 | 
                                    
                                    3.7%
                                 | 
| 1 | Yes | 133 | 
                                    
                                    6.8%
                                 | 
| 2 | No | 1218 | 
                                    
                                    61.9%
                                 | 
| 98 | N/A | 544 | 
                                    
                                    27.7%
                                 |