| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 1767 |
99.5%
|
| 3 | Not present | 0 |
0%
|
| 4 | Refused | 9 |
0.5%
|
| 6 | Other | 0 |
0%
|
| 9 | 12 | ||
| Sysmiss | 12283 |