| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 8738 |
97.7%
|
| 2 | Not present | 82 |
0.9%
|
| 3 | Refused | 59 |
0.7%
|
| 6 | Other | 69 |
0.8%
|
| 9 | 244 |