| Value | Category | Cases | |
|---|---|---|---|
| 1 | More than usual | 250 | 
                                    
                                    36.3%
                                 | 
| 2 | Same | 232 | 
                                    
                                    33.7%
                                 | 
| 3 | Less than usual | 207 | 
                                    
                                    30%
                                 | 
| Sysmiss | 1711 |