| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 8464 |
94.7%
|
| 2 | Not present | 208 |
2.3%
|
| 3 | Refused | 178 |
2%
|
| 6 | Other | 84 |
0.9%
|
| 9 | 258 |