There are probably quite a few especially in Europe; Sweden does not but it used to so that gets excluded in your question "never has". Best database I know of is at http://www.ffinetwork.org/country_profiles/index.php which will tell you country by country who is/is not fortifying grains and with what micronutrients. You can get the data in Excel by a request for data to FFI at [email protected] . I suspect your main difficult will be in finding out if the, for example, wheat flour imports are fortified