| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    
| -8 | Refusal (spontaneous) | 1 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    
| 1 | Only quantity per unit of output targets | 7 | 
                                                                 
                                    
                                    53.8%
                                 
                                                             | 
                                                        
                    
| 2 | Only absolute quantity targets | 3 | 
                                                                 
                                    
                                    23.1%
                                 
                                                             | 
                                                        
                    
| 3 | Absolute and per unit of output quantity targets | 1 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 568 |