| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused | 33 |
0.9%
|
| -96 | Other | 0 |
0%
|
| 1 | Measured | 3629 |
98.9%
|
| 2 | Absent | 8 |
0.2%
|
| Sysmiss | 2 |