| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 62 |
91.2%
|
| 3 | Not present | 1 |
1.5%
|
| 4 | Refused | 4 |
5.9%
|
| 6 | Other | 1 |
1.5%
|
| Sysmiss | 8989 |