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Changes in median urinary iodine (MUI) and total goiter rate (TGR) in school-aged children between 1989 and 2013
| Year | MUI (µg/L) | TGRa (%) |
|---|---|---|
| 1989 | 12–82 | 68.0 |
| 1996 | 205 | 54.0 |
| 2001 | 165 | 9.8 |
| 2007 | 140 | 5.7 |
| 2013 | 161 | Not done |
aGoiter was assessed by palpation
