| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 892 |
95%
|
| 3 | Not present | 21 |
2.2%
|
| 4 | Refused | 26 |
2.8%
|
| 6 | Other | 0 |
0%
|
| 9 | 3 | ||
| Sysmiss | 5539 |