| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 2532 |
86%
|
| 3 | Not present | 358 |
12.2%
|
| 4 | Refused | 21 |
0.7%
|
| 6 | Other | 33 |
1.1%
|
| 9 | 185 | ||
| Sysmiss | 33301 |