I haven't no, shall look it up.
Me too, not worth the effort of surviving. Although... The best part would be all those super rich people building multi million pound bunkers, emerging to a world where their money is now worthless. Might be worth sticking around for the giggle.
I think it's the power I'd be preparing for Chris. Sod your shed roof... Shoulda nailed it down better. 😉 🤣