| value | category | cases | |
|---|---|---|---|
| 0 | Measured | 66 |
76.7%
|
| 3 | Not present | 0 |
0%
|
| 4 | Refused | 20 |
23.3%
|
| 5 | 0 |
0%
|
|
| 6 | Other | 0 |
0%
|
| 9 | 12 | ||
| Sysmiss | 8999 |