Number of Teeth on sprockets

The sprockets have a number stamped on it indicating how many teeth it has. Here's a closeup shot. Click on the image for a larger version...

This is the Rockrider 5.3 9 speed rear cassette, with teeth numbering 32-28-24-21-18-16-14-12-11.

[Edit: The smallest cogset is 11, not 10]