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

[sharkey]

Please do not cross post mate. This is already in the general section.

[jsdstrategy]

Sorry for the faux pas.

Cheers,
Jon