| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 1639 |
99.6%
|
| 3 | Not present | 2 |
0.1%
|
| 4 | Refused | 2 |
0.1%
|
| 6 | Other | 3 |
0.2%
|
| 9 | 27 | ||
| Sysmiss | 12398 |