| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 7209 |
96.4%
|
| 3 | Not present | 177 |
2.4%
|
| 4 | Refused | 65 |
0.9%
|
| 5 | 0 |
0%
|
|
| 6 | Other | 26 |
0.3%
|
| 9 | 291 | ||
| Sysmiss | 24857 |