| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 ppm (no iodine) | 785 |
20.1%
|
| 14 | < 15 ppm | 627 |
16.1%
|
| 15 | 15+ ppm | 1976 |
50.6%
|
| 994 | salt not tested | 0 |
0%
|
| 995 | no salt | 335 |
8.6%
|
| 997 | not dejure resident | 181 |
4.6%
|
| Sysmiss | 85 |