| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    
| -7 | DOES NOT APPLY (SPONTANEOUS) | 72 | 
                                                                 
                                    
                                    16.6%
                                 
                                                             | 
                                                        
                    
| 1 | Within 6 months of identifying under-performance | 219 | 
                                                                 
                                    
                                    50.5%
                                 
                                                             | 
                                                        
                    
| 2 | After 6 months of identifying under-performance | 34 | 
                                                                 
                                    
                                    7.8%
                                 
                                                             | 
                                                        
                    
| 3 | Rarely or never | 94 | 
                                                                 
                                    
                                    21.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 338 |