I remember seeing information on consumer visits to brick and mortar stores quite a while ago, but I don't know where you would find an updated survey.
Try contacting Bob George at Impact Consulting at firstname.lastname@example.org He has all sorts of research at his fingertips.
Also, I did a quick web search and found this piece of information...
Hopefully, some of our message board readers will be of more help.
Furniture World Magazine.