Some prefer apple. Some prefer cherry. When it comes to pie, I like a good chart.

I know today is Pi Day, celebrating the ratio of a circle’s circumference to its diameter — it’s 3.14, and if it’s not quite so exciting as it will be in 2015, it’s still as good an occasion as any for some graphics.

View Photo Gallery: Alexandra Petri celebrates pie.


Still want more pie? Maura Judkis has you covered.

And Pi-related events in the district today.