| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 3403 |
98.1%
|
| 2 | Not present | 49 |
1.4%
|
| 3 | Refused | 8 |
0.2%
|
| 6 | Other | 4 |
0.1%
|
| 7 | Inconsistent | 0 |
0%
|
| 9 | Missing | 4 |
0.1%
|