| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 ppm (no iodine) | 177 |
22.5%
|
| 14 | < 15 ppm | 145 |
18.4%
|
| 15 | 15+ ppm | 389 |
49.4%
|
| 994 | salt not tested | 0 |
0%
|
| 995 | no salt | 59 |
7.5%
|
| 997 | not dejure resident | 18 |
2.3%
|
| Sysmiss | 17 |