The UK currently benefits from EU trade pacts covering more than 70 countries. But if the UK leaves the EU without a trade deal in place, London could lose its preferential access to those markets. In preparation for such a scenario, the UK has signed 20 "continuity" agreements, allowing countries to keep trading with the UK under current rules even after Brexit. Here's a look at which countries and blocs have signed these deals with the UK, and the total value of each trade relationship.