You can download the Linux Foundation's Annual Kernel Development report in PDF format giving all sorts of statistics about contributors, changes, bug fixes, release frequency, who bad mouths who (only joking)<br><br><a href="http://www.linux-foundation.org/weblogs/amanda/2010/12/01/our-annual-kernel-development-report-new-and-old-faces/">http://www.linux-foundation.org/weblogs/amanda/2010/12/01/our-annual-kernel-development-report-new-and-old-faces/</a><br>
<br>Gordon<br>