| Value | Category | Cases | |
|---|---|---|---|
| 0 | measured | 165 |
95.9%
|
| 3 | not present | 2 |
1.2%
|
| 4 | refused | 5 |
2.9%
|
| 6 | other | 0 |
0%
|
| Sysmiss | 6309 |