| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 | 
                                    
                                    2.1%
                                 | 
| 1 | The market is dominated by one firm | 18 | 
                                    
                                    6.2%
                                 | 
| 2 | The market is dominated by a few firms | 53 | 
                                    
                                    18.3%
                                 | 
| 3 | There is competition among many firms | 212 | 
                                    
                                    73.4%
                                 | 
| Sysmiss | 22 |