| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 2001 |
94.5%
|
| 2 | Not present | 87 |
4.1%
|
| 3 | Refused | 10 |
0.5%
|
| 6 | Other | 19 |
0.9%
|
| 9 | 6065 | ||
| Sysmiss | 1010 |