| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 ppm (no iodine) | 1151 |
3.4%
|
| 7 | Below 15 ppm | 14616 |
43.3%
|
| 15 | 15 ppm and above | 16304 |
48.3%
|
| 30 | 30 ppm | 0 |
0%
|
| 994 | Salt not tested | 207 |
0.6%
|
| 995 | No salt in household | 1470 |
4.4%
|
| 999 | Missing | 322 | |
| Sysmiss | 2228 |