just something to throw into your mix..
I rediscovered this little information lode yesterday.
NINJALAND » Stats Unfortunately it stops in June but it's been very revealing as I dip in and out doing some pattern recognition and data analysis..
for your purposes though this page may be interesting (or not)
NINJALAND » Stats
I don't think your overall stats cover those hidden private estates. These figures (I assume) do. Even with the increase I doubt the total mass is the size they claim.
it's back to the old joke I suppose..
Q How do you know when a marketer is lying?
A Their lips are moving..