| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 2070 |
88.7%
|
| 3 | not present | 51 |
2.2%
|
| 4 | refused | 117 |
5%
|
| 5 | 0 |
0%
|
|
| 6 | other | 0 |
0%
|
| 9 | 97 |
4.2%
|
|
| 11 | .Z | 13332 |