| Value | Category | Cases | |
|---|---|---|---|
| 0 | not measured | 11 |
1.5%
|
| 1 | lying | 39 |
5.4%
|
| 2 | standing | 666 |
92.6%
|
| 9 | 3 |
0.4%
|
|
| 11 | .Z | 18035 |