| Value | Category | Cases | |
|---|---|---|---|
| 1 | measured | 1616 |
97%
|
| 2 | not measured | 44 |
2.6%
|
| 3 | refused | 4 |
0.2%
|
| 6 | other | 2 |
0.1%
|
| Sysmiss | 10570 |