| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 2398 |
88.8%
|
| 2 | Not present | 157 |
5.8%
|
| 3 | Refused | 2 |
0.1%
|
| 4 | Other | 58 |
2.1%
|
| 7 | Missing | 84 |
3.1%
|
| Sysmiss | 5 |