| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 11688 |
96.5%
|
| 3 | Not present | 302 |
2.5%
|
| 4 | Refused | 78 |
0.6%
|
| 6 | Other | 45 |
0.4%
|
| 9 | 216 | ||
| Sysmiss | 24101 |