| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 | 
                                    
                                    2.4%
                                 | 
| 1 | The market is dominated by one firm | 36 | 
                                    
                                    10.8%
                                 | 
| 2 | The market is dominated by a few firms | 43 | 
                                    
                                    12.9%
                                 | 
| 3 | There is competition among many firms | 247 | 
                                    
                                    74%
                                 | 
| Sysmiss | 29 |