Regulator the FCA said the most frequently asked topics related to high profile, complex and sensitive issues that attracted media coverage.
The regulator received a total of 748 requests this year, of which 473 were progressed as formal FoIA requests, up 3% year-on-year.
It said: “We disclosed material in 50% of cases where we held the information requested, compared to 40% in 2012/13.
The Freedom of Information Act 2000 (FoIA) enables anyone to request any public sector organisation to ask a question on a topic and get a response within 20 working days from receipt.
The organisation may refuse if the information is thought too sensitive or the cost of obtaining the information too high, benchmarked at £450-600.
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