[NobleFree]

I have known a thousand pot smokers in my life, and have met less than ten that were not addicted

You need to travel in better circles. My personal experience has been the contrary; and nationwide statistics show that of all those who have used marijuana, only 9% have at any time in their lives been dependent on it. (The corresponding figure for alcohol is 15%.)

[American in Israel]

Alcohol is physically addictive, thereby the foundation of the term dependent.

So your figures were produced to prove a point, not discover one.
That is why I chose a mental focus,to avoid the determined bias.