| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| -7 | 57 | 
                                                                 
                                    
                                    24.5%
                                 
                                                             | 
                                                        
                    |
| 1 | Promotions were based solely on performance and ability | 109 | 
                                                                 
                                    
                                    46.8%
                                 
                                                             | 
                                                        
                    
| 2 | Promotions were based partly on performance and ability, and partly on other factors (for example, tenure or family connections) | 40 | 
                                                                 
                                    
                                    17.2%
                                 
                                                             | 
                                                        
                    
| 3 | Promotions were based mainly on factors other than performance and ability (for example, tenure or family connections) | 5 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    
| 4 | Non-managers are normally not promoted | 20 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             |