| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 892 |
95%
|
| 3 | not present | 21 |
2.2%
|
| 4 | refused | 26 |
2.8%
|
| 6 | other | 0 |
0%
|
| Sysmiss | 5542 |