| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 5718 |
97.6%
|
| 3 | Not present | 78 |
1.3%
|
| 4 | Refused | 29 |
0.5%
|
| 5 | 0 |
0%
|
|
| 6 | Other | 33 |
0.6%
|
| 9 | 84 | ||
| Sysmiss | 41909 |