| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 88 |
94.6%
|
| 3 | not present | 3 |
3.2%
|
| 4 | refused | 2 |
2.2%
|
| 6 | other | 0 |
0%
|
| Sysmiss | 6388 |