| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 652 |
93.9%
|
| 3 | not present | 19 |
2.7%
|
| 4 | refused | 23 |
3.3%
|
| 6 | other | 0 |
0%
|
| Sysmiss | 5787 |