| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 3 | 
                                    
                                    1.9%
                                 | 
| 0 | No sales | 28 | 
                                    
                                    17.5%
                                 | 
| 1 | Good sales | 76 | 
                                    
                                    47.5%
                                 | 
| 2 | Avarage sales | 41 | 
                                    
                                    25.6%
                                 | 
| 3 | Bad sales | 12 | 
                                    
                                    7.5%
                                 | 
| Sysmiss | 865 |