| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 169 |
91.8%
|
| 3 | not present | 10 |
5.4%
|
| 4 | refused | 1 |
0.5%
|
| 6 | other | 1 |
0.5%
|
| 9 | 3 |
1.6%
|
|
| 11 | .Z | 15483 |