| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    3.6%
                                 | 
| -7 | Establishment was not in business | 1 | 
                                    
                                    0.9%
                                 | 
| 1 | Yes | 34 | 
                                    
                                    30.6%
                                 | 
| 2 | No | 72 | 
                                    
                                    64.9%
                                 |