There are some basic style guides for each Year in Review
There are just a few broad subjects from which others branch. At present there is (much needs to be added):
Presenting numerical data
Not a big change, but rounding the figure up to a more human friendly number just helps make this look less like a spread sheet.
Of course, even better would be to spell Dr. Seuss's name correctly!
It should be remembered that this is to be a new category scheme, so whilst each year should read nicely, it should also include just enough information to entice the reader into following the links to the actual pages on the information to find out more.