| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hour | 5 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 2 | Day | 332 | 
                                                                 
                                    
                                    29%
                                 
                                                             | 
                                                        
                    
| 3 | Week | 108 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    
| 4 | Month | 659 | 
                                                                 
                                    
                                    57.6%
                                 
                                                             | 
                                                        
                    
| 5 | Other (specify) | 40 | 
                                                                 
                                    
                                    3.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 12661 |