| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 165 |
95.9%
|
| 3 | Not present | 2 |
1.2%
|
| 4 | Refused | 5 |
2.9%
|
| 6 | Other | 0 |
0%
|
| 9 | 1 | ||
| Sysmiss | 6308 |