| Value | Category | Cases | |
|---|---|---|---|
| 0 | not measured | 18 |
2.1%
|
| 1 | lying | 451 |
51.8%
|
| 2 | standing | 388 |
44.6%
|
| 9 | 13 |
1.5%
|
|
| 11 | .Z | 14797 |