| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 3798 |
86.9%
|
| 3 | not present | 39 |
0.9%
|
| 4 | refused | 129 |
3%
|
| 5 | 0 |
0%
|
|
| 6 | other | 3 |
0.1%
|
| 9 | 403 |
9.2%
|
|
| Sysmiss | 72548 |