I used to work with a wonderful American company chairman who was obsessed with data and trends. He taught me their value and I wrote a short piece a few weeks ago showing the trends in votes over recent elections.

I’ve updated those graphs to show clearly that there are still trends at work despite the “positive” messages from some parties, some of which are beyond fanciful:

And when you compare the Senedd election trends with General Election trends, the results are equally clear: