There are estimates as high as 10% of GDP, though 6-8% seem more agreed upon.
Trump reached 55% and became president. Twice.
Pot. Kettle.
But unlike the USA, at least Britons realized Brexit was a mistake. And that Johnson was corrupt and a liar.
I am a citizen of both the UK and USA.
It is astonishing to me that Trump could be voted back in after attempting a coup.