My graph (or bubble chart, rather) is slightly inspired by Kandinsky's Several Circles work. I changed the radii based on the numbers, and that's sort of emulating the work from http://bost.ocks.org/mike/nations/, where the size of the circles in the graph is based on the population of the nation.

In general, I really love the d3.js examples: https://github.com/mbostock/d3/wiki/Gallery

I think that using the size of a circle, or any shape to represent how large a number is is a very clear and easy method of expressing or exaggerating something.