| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 34 |
94.4%
|
| 3 | Not present | 0 |
0%
|
| 4 | Refused | 2 |
5.6%
|
| 6 | Other | 0 |
0%
|
| Sysmiss | 6445 |