| value | category | cases | |
|---|---|---|---|
| 0 | Measured | 300 |
88.8%
|
| 3 | Not present | 2 |
0.6%
|
| 4 | Refused | 35 |
10.4%
|
| 5 | 0 |
0%
|
|
| 6 | Other | 1 |
0.3%
|
| 9 | 29 | ||
| Sysmiss | 8730 |