That "strangely" specific metric you quote conveniently forgets the trade balance in goods which more than offsets services so now with a currency which is 24% weaker - which makes everything Britain worth less and supposedly is better for trade - the UK's total trade balance is actually worse than in 2016 (source)
I see that the Brexiter tendency to blindly believe in self-congratulating nationalistic Sun newspaper headlines and not actually googling for easilly available economic figures has remained unchanged in the last decade.
Good old Brexiter cherry-picking is alive and well.
Also it's hilarious that you pretty much parroted my "The Fall Of The British Pound Just Makes Britain More Competitive" charicatural Brexiter line based on actual Leave Campaign bollocks. Our exchange reminds me of the old days!
Only way to make sure they have a good mayor though, more precisely, it's a good boy mayor.
More seriously, it's another data point for the theory around politicians that "even a rock would do a better job".