| Value | Category | Cases | |
|---|---|---|---|
| 0 | not measured | 2 |
3.4%
|
| 1 | lying | 3 |
5.2%
|
| 2 | standing | 52 |
89.7%
|
| 9 | 1 |
1.7%
|
|
| 11 | .Z | 18696 |