I've always wondered about tab usage among the typical IE user. Do you have any hard numbers or studies that corroborate your statement? I ask not to put you

I've always wondered about tab usage among the typical IE user. Do you have any hard numbers or studies that corroborate your statement? I ask not to put you on the spot, but figure it's possible you have this information or may even work in a usability lab that has actually studied this (this is Hacker News after all).