The value of goods brought in from Britain fell 56%, compared to a drop of just 10.3% in imports from 27 European Union countries.
The UK left the European Union's single market at the end of last year, raising barriers to trade. That final split followed more than four years of wrangling over its terms of exit from the EU.
The FCA decided in December it would allow UK market participants to trade derivatives on platforms in the bloc to avoid a rupture in EU business, even though the EU has banned EU market participants from using London platforms.
As flagged by Reuters earlier this month, the FCA has made no change to its stance.
Although we recognise that many in the border industry and many businesses have been investing time and energy to be ready on time, and indeed we in Government were confident of being ready on time, we have listened to businesses who have made a strong case that they need more time to prepare.
The long-awaited document, known as the 'integrated review', has previously been billed by Johnson as the "biggest review of our foreign, defence, security and development policy since the end of the Cold War".
Ensuring free and safe flow of personal data is crucial for businesses and citizens on both sides of the Channel. The UK has left the EU, but not the European privacy family.
This should be completed before the end of June, when an interim arrangement for data flows after Brexit ends.
We set out the issues we have currently ... We want to extend the existing measures but we are committed to working constructively and pragmatically with the EU to resolve the issues ... as quickly as possible.
Earlier this week, Irish Foreign Minister Simon Coveney said Dublin was open to "modest" extensions of waivers on the movement of certain goods.
A month after Britain left the EU's orbit, it is once again arguing with Brussels over the most contentious issue of its five year Brexit negotiations - rules for trade involving Northern Ireland.
To ensure no land border between the British-ruled region and the rest of Ireland.
The UK wants to gradually curb EU access to its fishing waters over three years, while the bloc is proposing six years, to give its fishing industry longer to adjust.
Britain says the talks are stuck on two issues - the so-called level playing field and fishing - and has repeatedly said the EU has to budge or there will be no deal.
Worries around the new virus strain also saw investors look past an agreement over a $900 billion fiscal aid package in the United States that will be set to vote on Monday.
"First of all, the prime minister and the government, we've all been very clear we are not walking away, we will continue to negotiate to get this free-trade agreement," Patel told LBC radio.