| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                    
                                    0.2%
                                 | 
| -7 | Establishment was not in business | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 485 | 
                                    
                                    80.8%
                                 | 
| 2 | No | 114 | 
                                    
                                    19%
                                 |