| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 11215 |
98.5%
|
| 2 | Not present | 30 |
0.3%
|
| 3 | Refused | 69 |
0.6%
|
| 96 | Other (specify) | 76 |
0.7%
|
| Sysmiss | 5300 |