| value | category | cases | |
|---|---|---|---|
| 0 | 0 ppm (no iodine) | 6505 |
15.8%
|
| 7 | 7 ppm | 14625 |
35.6%
|
| 15 | 15 ppm | 12563 |
30.6%
|
| 30 | 30 ppm | 6524 |
15.9%
|
| 994 | Salt not tested | 52 |
0.1%
|
| 995 | No salt | 365 |
0.9%
|
| 997 | Not dejure resident | 452 |
1.1%
|
| 999 | 434 |