| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 4226 |
96.7%
|
| 3 | not present | 68 |
1.6%
|
| 4 | refused | 43 |
1%
|
| 6 | other | 6 |
0.1%
|
| 9 | 29 |
0.7%
|
|
| Sysmiss | 72548 |