| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 1795 |
94.1%
|
| 3 | Not present | 41 |
2.1%
|
| 4 | Refused | 71 |
3.7%
|
| 6 | Other | 0 |
0%
|
| Sysmiss | 4574 |