This article provides no proper source for the 20% figure only a link for the Economist's for Free Trade front page.
I hope that Jon Moynihan isn't upping the 17% figure that I comprehensively debunked here.
trademap.org/Country_SelPro…
Wrong! Click on the import tab and a different story emerges.
trade-tariff.service.gov.uk/trade-tariff/c…
Basically none of this rice comes into the UK on a €175 tariff.
Simply quoting the MFN tariff doesn't tell you much. TRQs, FTAs and exceptions for developing nations are important.