| Value | Category | Cases | |
|---|---|---|---|
| 1 | More than usual | 339 | 
                                    
                                    31.4%
                                 | 
| 2 | Same | 460 | 
                                    
                                    42.6%
                                 | 
| 3 | Less than usual | 281 | 
                                    
                                    26%
                                 | 
| Sysmiss | 1320 |