| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 839 |
96.3%
|
| 3 | Not present | 26 |
3%
|
| 4 | Refused | 3 |
0.3%
|
| 6 | Other | 3 |
0.3%
|
| 9 | 3 | ||
| Sysmiss | 35556 |