| Value | Category | Cases | |
|---|---|---|---|
| 1 | FLAT BOTTOM | 3 |
50%
|
| 2 | FLAT TOP | 0 |
0%
|
| 3 | SLIGHTLY SLOPED | 3 |
50%
|
| 4 | VERY STEEP | 0 |
0%
|
| Sysmiss | 1725 |