Programming language market share

[jsdstrategy]

I am trying to locate some statistics on programming language market share for Web applications development. Specifically, I am interested in the market share of .NET vs. Java vs. PHP vs. Perl. Is there a Web site for this information?

Thanks,
Jon

[buntine]

The following may be helpful.

http://www.forrester.com/my/1,,1-0,FF.html
www.gartner.com

Regards,
Andrew Buntine.