| Value | Category | Cases | |
|---|---|---|---|
| 1 | Roughly square | 635 | 
                                    
                                    37.5%
                                 | 
| 2 | Roughly rectangular | 706 | 
                                    
                                    41.7%
                                 | 
| 3 | Roughly Circular | 201 | 
                                    
                                    11.9%
                                 | 
| 4 | None of the above | 99 | 
                                    
                                    5.8%
                                 | 
| 5 | 54 | 
                                    
                                    3.2%
                                 | |
| Sysmiss | 2858 |