| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 4022 |
97.6%
|
| 3 | Not present | 28 |
0.7%
|
| 4 | Refused | 58 |
1.4%
|
| 5 | 0 |
0%
|
|
| 6 | Other | 15 |
0.4%
|
| 9 | 40 | ||
| Sysmiss | 43688 |