| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 ppm (no iodine) | 1148 |
18.3%
|
| 14 | < 15 ppm | 1147 |
18.3%
|
| 15 | 15+ ppm | 3331 |
53.2%
|
| 994 | salt not tested | 0 |
0%
|
| 995 | no salt | 634 |
10.1%
|
| 997 | not dejure resident | 0 |
0%
|
| Sysmiss | 132 |