| Value | Category | Cases | |
|---|---|---|---|
| 1 | Square | 565 |
47%
|
| 2 | Rectangular | 559 |
46.5%
|
| 3 | Circle | 3 |
0.2%
|
| 4 | None of the above | 75 |
6.2%
|
| Sysmiss | 1613 |