| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 11711 |
98.9%
|
| 2 | Not present | 17 |
0.1%
|
| 3 | Refused | 55 |
0.5%
|
| 6 | Other | 54 |
0.5%
|
| Sysmiss | 1415 |