| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 11859 |
99.2%
|
| 2 | Not present | 24 |
0.2%
|
| 3 | Refused | 62 |
0.5%
|
| 6 | Other | 5 |
0%
|
| Sysmiss | 1302 |