| Value | Category | Cases | |
|---|---|---|---|
| 1 | measured | 2670 |
87.6%
|
| 2 | not measured | 197 |
6.5%
|
| 3 | refused | 87 |
2.9%
|
| 6 | other | 93 |
3.1%
|
| Sysmiss | 9189 |