| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 299 |
94%
|
| 3 | Not present | 5 |
1.6%
|
| 4 | Refused | 10 |
3.1%
|
| 5 | 0 |
0%
|
|
| 6 | Other | 4 |
1.3%
|
| 9 | 1 | ||
| Sysmiss | 8738 |