| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 1636 |
70.4%
|
| 2 | Not present | 602 |
25.9%
|
| 3 | Refused | 23 |
1%
|
| 96 | Other (specify) | 64 |
2.8%
|
| Sysmiss | 199 |