| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 11053 |
99.7%
|
| 3 | not present | 10 |
0.1%
|
| 4 | refused | 23 |
0.2%
|
| 6 | other | 4 |
0%
|
| Sysmiss | 44830 |