Statspotting

A friend shared a stat in the news

'I started ketamine at 14 and needed nappies at 22' - the rise of young people going to rehab

Illicit ketamine use among those aged between 16 and 59 in the UK was estimated to be about 264,000 people in 2024-25

It's in today's paper. How big is it? Four answers, and your first pick has to be right to spot it.