| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 | 
                                    
                                    0.9%
                                 | 
| -7 | Establishment was not in business | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 120 | 
                                    
                                    18.6%
                                 | 
| 2 | No | 519 | 
                                    
                                    80.5%
                                 |