bill - 4:27 am on Oct 10, 2012 (gmt 0)
From the author comments it appears he equates SEO with e-mail spam, but fortunately it's not his survey...he only translated it.
One in four Japanese companies get Search Engine Optimisation professionals in [whatjapanthinks.com]
Q1: How do you conduct SEO on your company's web site? (Sample size=500, multiple answer)
Its a small sample and admittedly sponsored by an SEO firm. My personal experience says this number is way too high.