| value | category | cases | |
|---|---|---|---|
| 0 | 0 ppm (no iodine) | 1872 |
15.1%
|
| 7 | 7 ppm | 4251 |
34.4%
|
| 15 | 15 ppm | 3671 |
29.7%
|
| 30 | 30 ppm | 2148 |
17.4%
|
| 994 | Salt not tested | 14 |
0.1%
|
| 995 | No salt | 117 |
0.9%
|
| 997 | Not dejure resident | 284 |
2.3%
|
| 999 | 120 |