| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 25400 |
96.5%
|
| 3 | Not present | 409 |
1.6%
|
| 4 | Refused | 313 |
1.2%
|
| 5 | Not coded | 0 |
0%
|
| 6 | Other | 202 |
0.8%
|
| 9 | Missing | 606 | |
| Sysmiss | 129902 |