| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 10 |
83.3%
|
| 3 | Not present | 1 |
8.3%
|
| 4 | Refused | 1 |
8.3%
|
| 6 | Other | 0 |
0%
|
| Sysmiss | 6469 |