I just came across and old Infoworld article from July of 2001. Sun had posed a question on it's Solaris Developer Connection site, asking "What language do you use to develop Web-based client applications?"
The response went like this:
I wonder what such a poll would look like today. There are more languages to choose from, for one thing.
Of course it's very old data and it really doesn't matter anyway, but I found it interesting.