| value | category | cases | |
|---|---|---|---|
| 0 | Measured | 4 |
80%
|
| 3 | Not present | 0 |
0%
|
| 4 | Refused | 1 |
20%
|
| 5 | 0 |
0%
|
|
| 6 | Other | 0 |
0%
|
| 9 | 2 | ||
| Sysmiss | 9090 |