After some tweaking of a graph originally created by a member of the ST-J Java Group, this is what I think is the most accurate representation of 2005:

This graph was creating using Indeed.com’s niftly Job Trends tool. What does it say? Not much really - to me it seems as though the software development market is pretty healthy.

And what about Ruby? I’m not sure it reveals anything - I suspect that its flatness has more to do with the hiring behavior of Ruby shops than anything else.