article_snippet: Brookings' analysis was based on 'robust' data collected about 50,000 accounts, and partial information about a further 1.9 million.
article_snippet: Only a small number of the accounts were able to have the accounts locations identified, as most had this function switched off. 
article_snippet: But of those that could be located, the vast majority were in the Middle East and North Africa.
article_snippet: Other were found in the UK, France, Spain, Italy, Switzerland, Belgium and Australia, but these numbers were in single figures, the report found.