| Value | Category | Cases | |
|---|---|---|---|
| 0 | no iodine | 2214 |
14.1%
|
| 1 | iodine present | 13218 |
84.4%
|
| 3 | no salt in household | 191 |
1.2%
|
| 6 | salt not tested | 15 |
0.1%
|
| 9 | 29 |
0.2%
|