| Value | Category | Cases | |
|---|---|---|---|
| 0 | Measured | 5287 |
95.2%
|
| 3 | Not present | 129 |
2.3%
|
| 4 | Refused | 104 |
1.9%
|
| 5 | Not coded | 0 |
0%
|
| 6 | Other | 31 |
0.6%
|
| 9 | Missing | 126 | |
| Sysmiss | 30143 |