| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 3041 |
89.8%
|
| 3 | not present | 29 |
0.9%
|
| 4 | refused | 110 |
3.2%
|
| 5 | 0 |
0%
|
|
| 6 | other | 3 |
0.1%
|
| 9 | 203 |
6%
|
|
| 11 | .Z | 12281 |